firesvsfirstsWhich spelling fits?

Which to use

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

#5,417
“fires” frequency rank
#30,422
“firsts” frequency rank
35839
confusion score

Side-by-Side Comparison

Feature fires firsts
Definition plural of fire plural of first

Where the eye mixes fires and firsts

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.

5 ch
fires
6 ch
firsts

Why the eye confuses fires with firsts

A purely visual mix-up. fires (/ˈfaɪ̯ə(ɹ)z/) and firsts (/fɜːsts/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 35839, derived from the frequency rank of both members and their visual similarity.

fires is recorded at frequency rank #5,417, classified as anoun, pronounced /ˈfaɪ̯ə(ɹ)z/. firsts is at rank #30,422, tagged as anoun, pronounced /fɜːsts/.

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 35839, this pair ranks #308,488 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of fires vs firsts

Shared letters: firs. Private to "fires": e. Private to "firsts": t.

"fires" · 5 letters · shape CVCVC  ·  "firsts" · 6 letters · shape CVCCCC

Known mistypes of this pair

  • firesffires · fiers · firess · firres · firse · ifres
  • firstsffirsts · firrsts · firssts · firstss · firstts · firtss · fisrts · frists

Frequently Asked Questions

Do "fires" and "firsts" mean the same thing in a sentence?
No. They are said differently (/ˈfaɪ̯ə(ɹ)z/ versus /fɜːsts/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "fires" or "firsts"?
"fires" is the more common of the two: it sits at frequency rank #5,417 in our English list, against #30,422 for "firsts". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "fires" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "firsts" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #308,488 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "fires" and "firsts" also get mixed up with nearby pairs, the highest-scored neighbour is "firsts vs frets". 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 #308,488 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