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6-letter words with F as the 3rd letter and U as the 5th letter

The 10 6-letter words with F as the 3rd letter and U as the 5th letter include INFLUX, REFLUX, and RUFOUS; four end in X.

10 wordsTop pick INFLUXHighest score EFFLUX 19

1 of 10 are everyday words (10%). A mix of familiar words and game-only finds.

With F in 3rd place, E is the most common 5th letter (118 words). The bar under each letter shows the size of its list.

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Best words to play first 10 · most-used first

  • INFLUX16
  • REFLUX16
  • RUFOUS9
  • EFFLUX19
  • BEFOUL11
  • OFFCUT14
  • AFFLUX19
  • BEFLUM13
  • DEFOUL10
  • OFFPUT14
All valid words 10

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

  • AFFLUX19
  • BEFLUM13
  • BEFOUL11
  • DEFOUL10
  • EFFLUX19
  • INFLUX16
  • OFFCUT14
  • OFFPUT14
  • REFLUX16
  • RUFOUS9

Highest-scoring words

Scrabble and Words With Friends points, before board bonuses
WordScrabbleWords With FriendsDictionaries
EFFLUX1921All three
AFFLUX1921All three
INFLUX1619All three
REFLUX1618All three
OFFCUT1416All three
OFFPUT1416Collins only
BEFLUM1317Collins only
BEFOUL1114All three
DEFOUL1012Collins only
RUFOUS911All three

That fixed pattern leaves just 10 tournament-dictionary entries, and their endings cluster sharply: four finish in X, while the other six end in L, T, M, or S. INFLUX and REFLUX are recognizable examples; EFFLUX and AFFLUX lead the score list. Only one entry falls among the top 25,000 English words by wordfreq frequency, so expect a specialist-heavy search rather than an everyday vocabulary set.

6-letter words with F as the 3rd letter and U as the 5th letter

  • Exactly 10 tournament-dictionary entries match the fixed positions.
  • EFFLUX and AFFLUX lead the Scrabble scores at 19 points each.
  • Four matches end in X; L and T each account for two.
  • Collins includes all 10 matches; ENABLE and NWL2023 include seven each.
  • Only one match ranks among the top 25,000 English words by wordfreq frequency.

Which final letters appear most often?

Four of the 10 entries end in X: EFFLUX, AFFLUX, INFLUX, and REFLUX. The other six finish in L, T, M, or S; L and T each occur twice, while M and S occur once. That makes X the strongest final-letter clue, not just one option among several.

The starting letters spread across seven initials, with B, O, and R appearing twice and A, D, E, and I once. If your pattern already fixes F third and U fifth, test those repeated initial groups before cycling through singletons. For a scoring play, EFFLUX and AFFLUX lead at 19 points; INFLUX and REFLUX follow at 16.

Which word lists include these matches?

Collins lists all 10 matches, while ENABLE and NWL2023 each include seven. The count combines words found in at least one of those tournament dictionaries, so it does not mean every game accepts every entry. Check the word list your game uses before committing a low-frequency form.

That caveat matters here: only one match ranks among the top 25,000 English words by wordfreq frequency, despite the neat pattern. Most of the set is specialist vocabulary; the pattern is easier to identify than the words are to recall.

For 6-letter words with F as the 3rd letter and U as the 5th letter, treat the X-ending group as a clue rather than a guarantee: EFFLUX and AFFLUX score highest, while INFLUX and REFLUX score 16 each. Match the spelling exactly before you commit a play.

Questions people ask

How many six-letter words have F third and U fifth?
There are 10 tournament-dictionary matches with F in position three and U in position five. Four end in X, and the starting letters B, O, and R each occur twice. The remaining initial letters are A, D, E, and I.
Which F-third, U-fifth word scores highest in Scrabble?
EFFLUX and AFFLUX tie for the highest score at 19 points each. INFLUX and REFLUX follow at 16 points each, while OFFCUT and OFFPUT score 14. The two top scorers are less familiar than the INFLUX–REFLUX pair.
Are all 10 words accepted in every tournament dictionary?
No. Collins includes all 10 matches, while ENABLE and NWL2023 include seven each. The combined total counts words that appear in at least one of those lists, so check the dictionary used by your game before playing an unfamiliar entry.

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