15-letter words starting with E

The 281 15-letter words starting with E include electromagnetic and experimentation, with an average Scrabble score of 24.2.

281 wordsTop pick ELECTROMAGNETICHighest score ECTOMYCORRHIZAE 36

5 of 281 are everyday words (2%). Mostly rare words: great for Scrabble, tough for daily puzzles.

Letter
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z

P starts the most 15-letter words (695); Y starts the fewest (2). E ranks #10 of 26. The bar under each letter shows the size of its list.

Length
2
3
4
5
6
7
8
9
10
11
12
13
14
15

Best words to play first 281 · most-used first

ELECTROMAGNETIC₂₂
EXPERIMENTATION₂₆
ENVIRONMENTALLY₂₃
EXTRAORDINARILY₂₆
ENTREPRENEURIAL₁₇
ELECTRIFICATION₂₂
EXTRACURRICULAR₂₆
ELECTROCHEMICAL₂₆
EPIDEMIOLOGICAL₂₃
EXCOMMUNICATION₃₀
EPISTEMOLOGICAL₂₂
ELECTROPHORESIS₂₂
ENDOCRINOLOGIST₁₉
EPIDEMIOLOGISTS₂₁
ELECTRODYNAMICS₂₅
EUPHEMISTICALLY₂₇
ENFRANCHISEMENT₂₅
ELECTROPHORETIC₂₄
ETHNOMUSICOLOGY₂₆
ELECTROACOUSTIC₂₁
EXPRESSIONISTIC₂₆
EDUCATIONALISTS₁₈
ELECTROPORATION₁₉
ENDOCANNABINOID₂₁
EXISTENTIALISTS₂₂
EXPERIMENTALIST₂₆
ELECTRONEGATIVE₂₁
EXEMPLIFICATION₃₁
EXPERIMENTALISM₂₈
EXCOMMUNICATING₃₁
ETHNOLINGUISTIC₂₁
EXTERNALIZATION₃₁
ECCLESIOLOGICAL₂₂
ELECTROPOSITIVE₂₂
EXTRAJUDICIALLY₃₅
ELECTROSURGICAL₂₀
ELECTRODIALYSIS₂₁
EPISTEMOLOGISTS₂₀
EPICHLOROHYDRIN₂₉
ETHNOHISTORICAL₂₃
ENTREPRENEURISM₁₉
ECONOMETRICIANS₂₁
EXTERIORIZATION₃₁
ECHOCARDIOGRAMS₂₆
EXHIBITIONISTIC₂₉
EXTRACELLULARLY₂₇
EXCHANGEABILITY₃₃
EXTERNALISATION₂₂

Showing the top 48 of 281 words. See every valid word

All valid words 281

A to Z. Includes rare and Collins-only words. Linked tiles open the word's meaning, score and rhymes.

EARTHSHATTERING₂₂
EASYGOINGNESSES₂₀
EAVESTROUGHINGS₂₃
EBULLIOSCOPICAL₂₃
EBURNIFICATIONS₂₂
ECCLESIASTICISM₂₃
ECCLESIOLATRIES₁₉
ECCLESIOLOGICAL₂₂
ECCLESIOLOGISTS₂₀
ECCREMOCARPUSES₂₅
ECHINODERMATOUS₂₃
ECHOCARDIOGRAMS₂₆
ECHOCARDIOGRAPH₂₉
ECLAIRCISSEMENT₂₁
ECOCATASTROPHES₂₄
ECONOMETRICALLY₂₄
ECONOMETRICIANS₂₁
ECOPHYSIOLOGIES₂₆
ECOTOXICOLOGIES₂₇
ECOTOXICOLOGIST₂₇
ECTOGENETICALLY₂₃
ECTOMYCORRHIZAE₃₆
ECTOMYCORRHIZAS₃₆
EDRIOPHTHALMIAN₂₆
EDRIOPHTHALMOUS₂₆
EDUCATABILITIES₂₀
EDUCATIONALISTS₁₈
EFFECTIVENESSES₂₆
EFFECTUALNESSES₂₃
EFFERVESCENCIES₂₈
EFFICACIOUSNESS₂₅
EFFORTFULNESSES₂₄
EGALITARIANISMS₁₈
EGGHEADEDNESSES₂₂
EGOCENTRICITIES₂₀
EGREGIOUSNESSES₁₇
ELABORATENESSES₁₇
ELECTIONEERINGS₁₈
ELECTRIFICATION₂₂
ELECTROACOUSTIC₂₁
ELECTROACTIVITY₂₅
ELECTROANALYSES₂₀
ELECTROANALYSIS₂₀
ELECTROANALYTIC₂₂
ELECTROCHEMICAL₂₆
ELECTROCHEMISTS₂₄
ELECTROCHROMISM₂₆
ELECTROCULTURES₁₉
ELECTRODEPOSITS₂₀
ELECTRODIALYSES₂₁
ELECTRODIALYSIS₂₁
ELECTRODIALYTIC₂₃
ELECTRODYNAMICS₂₅
ELECTROFISHINGS₂₄
ELECTROFORMINGS₂₃
ELECTROGILDINGS₂₀
ELECTROGRAPHIES₂₃
ELECTROKINETICS₂₃
ELECTROLYSATION₂₀
ELECTROLYZATION₂₉
ELECTROMAGNETIC₂₂
ELECTROMETRICAL₂₁
ELECTROMOTANCES₂₁
ELECTROMYOGRAMS₂₅
ELECTROMYOGRAPH₂₈
ELECTRONEGATIVE₂₁
ELECTROPHORESED₂₃
ELECTROPHORESES₂₂
ELECTROPHORESIS₂₂
ELECTROPHORETIC₂₄
ELECTROPHORUSES₂₂
ELECTROPLATINGS₂₀
ELECTROPORATION₁₉
ELECTROPOSITIVE₂₂
ELECTRORECEPTOR₂₁
ELECTRORHEOLOGY₂₄
ELECTROSHOCKING₂₇
ELECTROSURGICAL₂₀
ELECTROTECHNICS₂₄
ELECTROTHERMICS₂₄
ELECTROTHERMIES₂₂
ELECTROVALENCES₂₂
ELECTROVALENTLY₂₃
ELECTROWINNINGS₂₁
ELEUTHEROCOCCUS₂₄
ELEUTHERODACTYL₂₄
ELEUTHEROMANIAS₂₀
ELEUTHEROPHOBIA₂₅
ELEUTHEROPHOBIC₂₇
ELIMINABILITIES₁₉
EMANCIPATIONIST₂₁
EMBRACINGNESSES₂₂
EMBRYOLOGICALLY₂₈
EMOTIONLESSNESS₁₇
EMPIRICALNESSES₂₁
EMPLOYABILITIES₂₄
EMPOVERISHMENTS₂₇
EMPYREUMATISING₂₅
EMPYREUMATIZING₃₄
EMULSIFICATIONS₂₂
ENANTIOMORPHIES₂₂
ENANTIOMORPHISM₂₄
ENANTIOMORPHOUS₂₂
ENCEPHALITOGENS₂₃
ENCEPHALOGRAPHS₂₈
ENCEPHALOGRAPHY₃₁
ENCEPHALOPATHIC₂₉
ENCEPHALOTOMIES₂₄
ENCHONDROMATOUS₂₃
ENCOMIASTICALLY₂₄
ENCYCLOPAEDISMS₂₇
ENCYCLOPAEDISTS₂₅
ENDEARINGNESSES₁₇
ENDOCANNABINOID₂₁
ENDOCRINOLOGIES₁₉
ENDOCRINOLOGIST₁₉
ENDOCRINOPATHIC₂₅
ENDOMETRIOSISES₁₈
ENDONUCLEOLYTIC₂₃
ENDOPARASITISMS₂₀
ENDORADIOSONDES₁₈
ENDOTHERMICALLY₂₆
ENDURABLENESSES₁₈
ENFRANCHISEMENT₂₅
ENGRAINEDNESSES₁₇
ENHYPOSTATISING₂₄
ENHYPOSTATIZING₃₃
ENJOYABLENESSES₂₇
ENTEROBACTERIAL₁₉
ENTEROBACTERIUM₂₁
ENTEROCOLITIDES₁₈
ENTEROCOLITISES₁₇
ENTEROGASTRONES₁₆
ENTEROHEPATITIS₂₀
ENTEROTOXIGENIC₂₅
ENTHRONISATIONS₁₈
ENTHRONIZATIONS₂₇
ENTOMOLOGICALLY₂₃
ENTREPRENEURIAL₁₇
ENTREPRENEURISM₁₉
ENUMERABILITIES₁₉
ENVENOMISATIONS₂₀
ENVENOMIZATIONS₂₉
ENVIRONMENTALLY₂₃
EPEIROGENICALLY₂₃
EPHEMERALNESSES₂₂
EPHEMEROPTERANS₂₄
EPICHLOROHYDRIN₂₉
EPICONDYLITISES₂₃
EPIDEMIOLOGICAL₂₃
EPIDEMIOLOGISTS₂₁
EPIGRAMMATISERS₂₂
EPIGRAMMATISING₂₃
EPIGRAMMATIZERS₃₁
EPIGRAMMATIZING₃₂
EPIPHENOMENALLY₂₇
EPISCOPALIANISM₂₃
EPISTEMOLOGICAL₂₂
EPISTEMOLOGISTS₂₀
EPITHELIALISING₂₁
EPITHELIALIZING₃₀
EPITHELIOMATOUS₂₂
EPITHELISATIONS₂₀
EPITHELIZATIONS₂₉
EPIZOOTIOLOGIES₂₇
EQUALITARIANISM₂₆
EQUIPONDERANCES₂₉
EQUIPONDERATING₂₈
EQUIPROBABILITY₃₃
EQUITABLENESSES₂₆
EQUIVOCALNESSES₂₉
ERGATANDROMORPH₂₄
ERRONEOUSNESSES₁₅
ERYTHROMELALGIA₂₄
ERYTHROPOIETINS₂₃
ESSENTIALNESSES₁₅
ESTERIFICATIONS₂₀
ESTIMABLENESSES₁₉
ESTRANGEDNESSES₁₇
ETERNALISATIONS₁₅
ETERNALIZATIONS₂₄
ETHEREALISATION₁₈
ETHEREALIZATION₂₇
ETHERIFICATIONS₂₃
ETHNOBIOLOGICAL₂₃
ETHNOBIOLOGISTS₂₁
ETHNOCENTRICITY₂₅
ETHNOHISTORIANS₂₁
ETHNOHISTORICAL₂₃
ETHNOLINGUISTIC₂₁
ETHNOMUSICOLOGY₂₆
EUDAEMONISTICAL₂₀
EUDIOMETRICALLY₂₃
EUPHEMISTICALLY₂₇
EUTROPHICATIONS₂₂
EVANGELICALISMS₂₃
EVANGELICALNESS₂₁
EVANGELISATIONS₁₉
EVANGELISTARIES₁₉
EVANGELISTARION₁₉
EVANGELIZATIONS₂₈
EVAPORABILITIES₂₂
EVERLASTINGNESS₁₉
EVOCATIVENESSES₂₃
EXACERBESCENCES₃₀
EXAGGERATEDNESS₂₅
EXAMINABILITIES₂₆
EXCEPTIONALISMS₂₈
EXCEPTIONALISTS₂₆
EXCEPTIONALNESS₂₆
EXCESSIVENESSES₂₇
EXCHANGEABILITY₃₃
EXCITABLENESSES₂₆
EXCLAUSTRATIONS₂₄
EXCLUDABILITIES₂₇
EXCLUSIVENESSES₂₇
EXCOMMUNICATING₃₁
EXCOMMUNICATION₃₀
EXCOMMUNICATIVE₃₃
EXCOMMUNICATORS₃₀
EXCOMMUNICATORY₃₃
EXCREMENTITIOUS₂₆
EXCURSIVENESSES₂₇
EXCUSABLENESSES₂₆
EXECRABLENESSES₂₆
EXEMPLARINESSES₂₆
EXEMPLIFICATION₃₁
EXEMPLIFICATIVE₃₄
EXHAUSTLESSNESS₂₅
EXHIBITIONISTIC₂₉
EXISTENTIALISMS₂₄
EXISTENTIALISTS₂₂
EXOERYTHROCYTIC₃₅
EXOTHERMICITIES₂₉
EXPANDABILITIES₂₇
EXPANSIBILITIES₂₆
EXPANSIVENESSES₂₇
EXPEDITIOUSNESS₂₅
EXPENDABILITIES₂₇
EXPENSIVENESSES₂₇
EXPERIENTIALISM₂₆
EXPERIENTIALIST₂₄
EXPERIMENTALISE₂₆
EXPERIMENTALISM₂₈
EXPERIMENTALIST₂₆
EXPERIMENTALIZE₃₅
EXPERIMENTATION₂₆
EXPERIMENTATIVE₂₉
EXPLORATIONISTS₂₄
EXPLOSIVENESSES₂₇
EXPONENTIATIONS₂₄
EXPORTABILITIES₂₆
EXPOSTULATINGLY₂₈
EXPRESSIONISTIC₂₆
EXQUISITENESSES₃₁
EXSANGUINATIONS₂₃
EXTEMPORARINESS₂₆
EXTEMPORISATION₂₆
EXTEMPORIZATION₃₅
EXTENDABILITIES₂₅
EXTENDIBILITIES₂₅
EXTENSIBILITIES₂₄
EXTENSIFICATION₂₇
EXTENSIONALISMS₂₄
EXTENSIVENESSES₂₅
EXTENSIVISATION₂₅
EXTENSIVIZATION₃₄
EXTERIORISATION₂₂
EXTERIORIZATION₃₁
EXTERNALISATION₂₂
EXTERNALIZATION₃₁
EXTEROCEPTIVITY₃₂
EXTERRITORIALLY₂₅
EXTINGUISHMENTS₂₈
EXTRACELLULARLY₂₇
EXTRACURRICULAR₂₆
EXTRAJUDICIALLY₃₅
EXTRALINGUISTIC₂₅
EXTRAORDINARIES₂₃
EXTRAORDINARILY₂₆
EXTRUDABILITIES₂₅

Letters by positionIn 57% of these words the 15th letter is S.

2nd letter

X27%
L19%
N16%

5th letter

T22%
R16%
N9%

7th letter

O23%
I17%
A10%

13th letter

I35%
S22%
O10%

14th letter

E28%
N13%
S8%

15th letter

S57%
Y9%
N7%

Highest-scoring words

Scrabble and Words With Friends points, before board bonuses

Score spreadMost of these words score 23 in Scrabble; ECTOMYCORRHIZAE tops the list with 36. Scores before board bonuses.

1515 points: 3 words
16 points: 1 words
1717 points: 8 words
18 points: 9 words
1919 points: 14 words
20 points: 19 words
2121 points: 20 words
22 points: 26 words
2323 points: 31 words
24 points: 27 words
2525 points: 22 words
26 points: 30 words
2727 points: 23 words
28 points: 10 words
2929 points: 11 words
30 points: 4 words
3131 points: 7 words
32 points: 2 words
3333 points: 5 words
34 points: 3 words
3535 points: 4 words
36 points: 2 words

Word	Scrabble	Words With Friends	Dictionaries
ECTOMYCORRHIZAE	36	37	Collins only
ECTOMYCORRHIZAS	36	37	Collins only
EXTRAJUDICIALLY	35	40	All three
EXOERYTHROCYTIC	35	34	All three
EXTEMPORIZATION	35	38	All three
EXPERIMENTALIZE	35	39	Collins only
EMPYREUMATIZING	34	39	Collins only
EXEMPLIFICATIVE	34	39	Collins only
EXTENSIVIZATION	34	37	Collins only
EXCHANGEABILITY	33	36	All three
EXCOMMUNICATIVE	33	40	All three
ENHYPOSTATIZING	33	35	Collins only

Long E starters span scientific terms such as electrophoresis and epidemiological, alongside familiar forms such as extracurricular. The set is much smaller than the 15-letter P starters, which number 695, and only five entries meet the common-word frequency threshold. Treat these as tournament-list possibilities, not everyday vocabulary: dictionary coverage varies by game.

At a glance: the shape of E starters

There are 281 tournament-dictionary words in this 15-letter E group.
Electromagnetic and experimentation are among the prominent examples.
The most frequent final letter is S, with 161 entries ending that way.
Ectomycorrhizae and ectomycorrhizas top the score list at 36 points each.

Which E starters score highest?

Ectomycorrhizae and ectomycorrhizas lead at 36 points apiece. Both are specialized terms, so memorize their spelling before relying on them; a premium square can change a board score, but it does not make an unfamiliar word easier to place.

Several entries follow at 35 points: extrajudicially, exoerythrocytic, extemporization, and experimentalize. Empyreumatizing, exemplificative, and extensivization each score 34. The group’s average is 24.2, so the top-scoring words sit well above its typical entry.

How do 15-letter words starting with E compare?

The 281 entries are far fewer than the 15-letter words beginning with P (695) or C (601). Their endings are also concentrated: 161 end in S, while 26 end in Y and 21 in N. That makes a known final S a strong narrowing clue for this particular starting letter.

Dictionary coverage is uneven: 266 entries appear in Collins, 185 in NWL2023, and 157 in ENABLE. Only five entries meet the common-word cutoff, so many options are specialist vocabulary. Check your game's word list before building a play around one.

Length matters more than the opening letter alone. E-starting words number 281 at fifteen letters, but 390 at fourteen and 672 at thirteen, so dropping a tile expands the pool quickly.

Questions people ask

How many 15-letter words start with E?

There are 281 15-letter words starting with E across the tournament dictionaries used here. Examples include electromagnetic, experimentation, environmentally, and extraordinarily. Only five meet the common-word frequency threshold, so expect many entries to be technical or uncommon.

What is the highest-scoring 15-letter word starting with E?

Ectomycorrhizae and ectomycorrhizas share the top score, at 36 points each. Both are specialized words, so confirm the spelling and your game’s dictionary before playing. Extrajudicially, exoerythrocytic, extemporization, and experimentalize follow at 35 points.

Which letter do these E words most often end with?

S is the most common ending, appearing on 161 of the 281 entries. Y is next with 26, followed by N with 21. If your clue fixes both the first and last letters, an S ending leaves the largest group to check.

Keep going

Related lists

14-letter words start with E

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