fenvsfutWhat's the difference?

Quick tell: fen is a noun, fut is an intj, so they fill different roles in a sentence.

Which to use

“fen” is a noun and “fut” is an intj - they look or sound alike but fill different roles in a sentence.

#35,717
“fen” frequency rank
#44,798
“fut” frequency rank
80515
confusion score

Side-by-Side Comparison

Feature fen fut
Definition A type of wetland fed by ground water and runoff, containing peat below the waterline, characteristically alkaline. Alternative form of 'sfoot.

Letter map: fen vs fut

Shared letters muted; letters that set fen and fut apart highlighted. Shared run: 1. fen and fut follow the identical consonant-vowel pattern (CVC). Same shape at a glance is often the real trap, independent of shared letters.

3 ch
fen
3 ch
fut

Grammar separator: fen vs fut

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: fen is anoun and futanintj. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 80515, derived from the frequency rank of both members and their visual similarity.

fen is recorded at frequency rank #35,717, classified as anoun, pronounced /fɛn/. fut is at rank #44,798, tagged as anintj.

Glosses for this pair are partially populated in our dataset, but the full side-by-side definitions above should still guide you to the right choice.

With a confusion score of 80515, this pair ranks #19,633 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of fen vs fut

Shared letters: f. Private to "fen": en. Private to "fut": tu.

"fen" · 3 letters · shape CVC  ·  "fut" · 3 letters · shape CVC

Frequently Asked Questions

Is swapping "fen" for "fut" ever safe?
No - they are not even the same part of speech. "fen" is a noun and "fut" an intj, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "fen" vs "fut" - which ranks higher?
"fen" is the more common of the two: it sits at frequency rank #35,717 in our English list, against #44,798 for "fut". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Pair "fen" vs "fut" is on the table, pick a follow-up below.

  • Full dictionary entry for "fen" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "fut" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #19,633 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "fen" and "fut" also get mixed up with nearby pairs, the highest-scored neighbour is "foh vs fut". Nearby pair

Confusion rank #19,633 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list