Menu
Find words

15-letter words ending in A

15-letter words ending in A number just 30 in tournament dictionaries, led by technical terms such as tachyarrhythmia and dysmorphophobia.

30 wordsTop pick MEDULLOBLASTOMAHighest score TACHYARRHYTHMIA 34

S ends the most 15-letter words (3,428); P ends the fewest (14). A ranks #12 of 26. The bar under each letter shows the size of its list.

Best words to play first 30 · most-used first

  • MEDULLOBLASTOMA22
  • PHENYLKETONURIA27
  • CHORIOCARCINOMA26
  • OPHTHALMOPLEGIA28
  • HYPERLIPIDAEMIA28
  • TACHYARRHYTHMIA34
  • ERYTHROMELALGIA24
  • PLEUROPNEUMONIA21
  • TERATOCARCINOMA21
  • LYMPHOCYTOPENIA32
  • LYMPHOGRANULOMA28
  • HYPOMAGNESAEMIA28
  • STREPHOSYMBOLIA27
  • COUNTERGUERILLA18
  • ACROPARESTHESIA22
  • CHOLESTEROLEMIA22
  • DYSMORPHOPHOBIA33
  • ELEUTHEROPHOBIA25
  • HAEMOGLOBINURIA23
  • ICOSITETRAHEDRA21
  • LYMPHOADENOMATA28
  • LYMPHOSARCOMATA29
  • NEUROBLASTOMATA19
  • OLIGODENDROGLIA19
  • OPHTHALMOPHOBIA32
  • PARALLELEPIPEDA22
  • PARALLELOPIPEDA22
  • RHINOSCLEROMATA22
  • SPIROCHAETAEMIA24
  • THALAMENCEPHALA27
All valid words 30

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

  • ACROPARESTHESIA22
  • CHOLESTEROLEMIA22
  • CHORIOCARCINOMA26
  • COUNTERGUERILLA18
  • DYSMORPHOPHOBIA33
  • ELEUTHEROPHOBIA25
  • ERYTHROMELALGIA24
  • HAEMOGLOBINURIA23
  • HYPERLIPIDAEMIA28
  • HYPOMAGNESAEMIA28
  • ICOSITETRAHEDRA21
  • LYMPHOADENOMATA28
  • LYMPHOCYTOPENIA32
  • LYMPHOGRANULOMA28
  • LYMPHOSARCOMATA29
  • MEDULLOBLASTOMA22
  • NEUROBLASTOMATA19
  • OLIGODENDROGLIA19
  • OPHTHALMOPHOBIA32
  • OPHTHALMOPLEGIA28
  • PARALLELEPIPEDA22
  • PARALLELOPIPEDA22
  • PHENYLKETONURIA27
  • PLEUROPNEUMONIA21
  • RHINOSCLEROMATA22
  • SPIROCHAETAEMIA24
  • STREPHOSYMBOLIA27
  • TACHYARRHYTHMIA34
  • TERATOCARCINOMA21
  • THALAMENCEPHALA27
Letters by positionIn 57% of these words the 14th letter is I.
2nd letter
  1. Y23%
  2. H17%
  3. A13%
5th letter
  1. H23%
  2. O20%
  3. T10%
6th letter
  1. O23%
  2. L17%
  3. A17%
9th letter
  1. E23%
  2. R17%
  3. O17%
12th letter
  1. E27%
  2. O17%
  3. M13%
14th letter
  1. I57%
  2. M13%
  3. T13%

Highest-scoring words

Scrabble and Words With Friends points, before board bonuses
Score spreadMost of these words score 22 in Scrabble; TACHYARRHYTHMIA tops the list with 34. Scores before board bonuses.
  1. 1818 points: 1 words
  2. 19 points: 2 words
  3. 2020 points: 0 words
  4. 21 points: 3 words
  5. 2222 points: 6 words
  6. 23 points: 1 words
  7. 2424 points: 2 words
  8. 25 points: 1 words
  9. 2626 points: 1 words
  10. 27 points: 3 words
  11. 2828 points: 5 words
  12. 29 points: 1 words
  13. 3030 points: 0 words
  14. 31 points: 0 words
  15. 3232 points: 2 words
  16. 33 points: 1 words
  17. 3434 points: 1 words
WordScrabbleWords With FriendsDictionaries
TACHYARRHYTHMIA3431All three
DYSMORPHOPHOBIA3334Collins only
LYMPHOCYTOPENIA3235Collins only
OPHTHALMOPHOBIA3234Collins only
LYMPHOSARCOMATA2932All three
OPHTHALMOPLEGIA2832Collins only
HYPERLIPIDAEMIA2830Collins only
LYMPHOGRANULOMA2834All three
HYPOMAGNESAEMIA2831Collins only
LYMPHOADENOMATA2831Collins only
PHENYLKETONURIA2730All three
STREPHOSYMBOLIA2729Collins only

This is a narrow word pattern: every entry has 15 letters and finishes with A, yet none ranks among the 25,000 most common English words. Many examples are specialist medical vocabulary, including medulloblastoma and phenylketonuria. The dictionary split matters too: Collins includes all 30, while ENABLE and NWL2023 each include 11.

15-letter words ending in A at a glance

  • Exactly 30 tournament-listed words match the 15-letter, final-A pattern.
  • Collins lists all 30; ENABLE and NWL2023 each list 11.
  • No matching word falls within the top 25,000 by English word frequency.
  • Tachyarrhythmia leads the score list at 34 points.
  • The average recorded score is 25.1 points.

What kinds of words end in A?

Medical vocabulary dominates the examples. Medulloblastoma, choriocarcinoma, and teratocarcinoma share the visible ending -oma; phenylketonuria and haemoglobinuria finish with -uria. These long technical forms make the final A easy to spot, but their full spelling is the real challenge.

The spelling variants are worth noticing. Hyperlipidaemia and hypomagnesaemia use the ae sequence, while cholesterolemia uses e instead. Those are distinct listed forms, so do not swap the spellings when matching a rack or checking a game dictionary.

The frequency cutoff is a practical limitation: none of these entries counts as common under our top-25,000 measure. Treat this as a specialist-word list, not a set of everyday vocabulary; check your game's word list before relying on an unfamiliar form.

How to score with 15-letter words ending in A

Tachyarrhythmia scores 34, ahead of dysmorphophobia at 33; lymphocytopenia and ophthalmophobia each score 32. The 25.1-point average shows why these words attract attention, but a high letter-value total does not guarantee a playable turn.

Look for a legal board extension before planning around a long entry. A 15-letter word may need existing letters already on the board, and the high-scoring examples contain difficult-to-place sequences. Keep the score leaders in mind, then check the exact spelling before committing.

Questions people ask

How many 15-letter words end in A?
There are 30 tournament-listed 15-letter words ending in A. Collins includes all 30, while ENABLE and NWL2023 each include 11. The list is unusually specialized: none of its entries ranks among the top 25,000 English words by frequency.
Are all 15-letter words ending in A valid in every Scrabble dictionary?
No. Collins lists all 30 entries, but ENABLE and NWL2023 list 11 each. The dictionary groups do not have identical coverage, so an unfamiliar term such as haemoglobinuria may not be accepted in every game. Check the word list used for your match.
Which 15-letter word ending in A scores the most?
Tachyarrhythmia is the top scorer at 34 points. Dysmorphophobia follows at 33, while lymphocytopenia and ophthalmophobia score 32 apiece. Those totals make them stand out, though board placement and whether the spelling is accepted still matter.

Keep going