FESvsfiresWhich spelling fits?

Which to use

“FES” and “fires” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#39,812
“FES” frequency rank
#5,417
“fires” frequency rank
45229
confusion score

Side-by-Side Comparison

Feature FES fires
Definition Initialism of floppy eyelid syndrome plural of fire

Letter map: FES vs fires

Shared letters muted; letters that set FES and fires apart highlighted. Shared run: 3. FES runs 3 letters (CVC) against fires's 5 (CVCVC) - the length gap alone is often enough to separate them once you know to check it.

3 ch
FES
5 ch
fires

Spelling & dictionary notes on FES vs fires

FES and fires are indexed as a confusable English pair. We have no recorded pronunciation or part of speech for both members, so the spelling overlap is what we can show you: they differ by 2 letter(s) in length. Our composite confusion score for this pair is 45229, derived from the frequency rank of both members and their visual similarity.

FES is recorded at frequency rank #39,812, classified as anoun. fires is at rank #5,417, tagged as anoun, pronounced /ˈfaɪ̯ə(ɹ)z/.

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 45229, this pair ranks #223,201 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of FES vs fires

Shared letters: efs. Private to "FES": -. Private to "fires": ir.

"FES" · 3 letters · shape CVC  ·  "fires" · 5 letters · shape CVCVC

Known mistypes of this pair

  • fires ← ffires · fiers · firess · firres · firse · ifres

Frequently Asked Questions

Is swapping "FES" for "fires" ever safe?
No. They differ by 2 letter(s) in length, but the dictionary glosses above give them different meanings, so swapping one for the other changes what the sentence says.
Frequency check: "FES" vs "fires" - which ranks higher?
"fires" is the more common of the two: it sits at frequency rank #5,417 in our English list, against #39,812 for "FES". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Done with this confusable. These links stay specific to "FES" and "fires".

  • Full dictionary entry for "FES" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "fires" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #223,201 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "FES" and "fires" also get mixed up with nearby pairs, the highest-scored neighbour is "FES vs foh". Nearby pair
  • Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes

Confusion rank #223,201 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