failurevsfailuresWhat's the difference?

Which to use

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

#1,939
“failure” frequency rank
#7,226
“failures” frequency rank
9165
confusion score

Side-by-Side Comparison

Feature failure failures
Definition State or condition of not meeting a desirable or intended objective, opposite of success. plural of failure

Where the eye mixes failure and failures

Muted = shared; highlighted = the visual trap. They share 7 letters in sequence.

7 ch
failure
8 ch
failures

Visual trap between failure and failures

A purely visual mix-up. failure (/ˈfeɪ.ljə/) and failures (/ˈfeɪ.ljəz/) 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 extra letter(s) - “failure” sits inside “failures”. Our composite confusion score for this pair is 9165, derived from the frequency rank of both members and their visual similarity.

failure is recorded at frequency rank #1,939, classified as anoun, pronounced /ˈfeɪ.ljə/. failures is at rank #7,226, tagged as anoun, pronounced /ˈfeɪ.ljəz/.

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 9165, this pair ranks #498,781 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of failure vs failures

Shared letters: aefilru. Private to "failure": -. Private to "failures": s.

"failure" · 7 letters · shape CVVCVCV  ·  "failures" · 8 letters · shape CVVCVCVC

Known mistypes of this pair

  • failureafilure · faillure · failrue · failuer · failurre · faiulre · faliure · ffailure
  • failuresafilures · faillures · failrues · failuers · failuress · failurres · failurse · faiulres

Frequently Asked Questions

Is swapping "failure" for "failures" ever safe?
No. They are said differently (/ˈfeɪ.ljə/ versus /ˈfeɪ.ljəz/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary English text, does "failure" or "failures" show up more?
"failure" is the more common of the two: it sits at frequency rank #1,939 in our English list, against #7,226 for "failures". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Eye-level mix-up between "failure" and "failures" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "failure" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "failures" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #498,781 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "failure" and "failures" also get mixed up with nearby pairs, the highest-scored neighbour is "failures vs figures". 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 #498,781 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