weaknessvsweaknessesConfusable pair

Which to use

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

#5,282
“weakness” frequency rank
#9,694
“weaknesses” frequency rank
14976
confusion score

Side-by-Side Comparison

Feature weakness weaknesses
Definition The condition of being weak. plural of weakness

Where the eye mixes weakness and weaknesses

Muted = shared; highlighted = the visual trap. They share 8 letters in sequence.

8 ch
weakness
10 ch
weaknesses

Why the eye confuses weakness with weaknesses

A purely visual mix-up. weakness (/ˈwiːk.nɪs/) and weaknesses (/ˈwiːk.nɪ.sɪz/) 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 2 extra letter(s) - “weakness” sits inside “weaknesses”. Our composite confusion score for this pair is 14976, derived from the frequency rank of both members and their visual similarity.

weakness is recorded at frequency rank #5,282, classified as anoun, pronounced /ˈwiːk.nɪs/. weaknesses is at rank #9,694, tagged as anoun, pronounced /ˈwiːk.nɪ.sɪz/.

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 14976, this pair ranks #466,790 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of weakness vs weaknesses

Shared letters: aeknsw. Private to "weakness": -. Private to "weaknesses": -.

"weakness" · 8 letters · shape CVVCCVCC  ·  "weaknesses" · 10 letters · shape CVVCCVCCVC

Known mistypes of this pair

  • weaknessewakness · waekness · weakenss · weakkness · weaknes · weaknness · weaknses · weankess
  • weaknessesewaknesses · waeknesses · weakensses · weakknesses · weakneses · weaknesess · weaknessess · weaknessse

Frequently Asked Questions

Is swapping "weakness" for "weaknesses" ever safe?
No. They are said differently (/ˈwiːk.nɪs/ versus /ˈwiːk.nɪ.sɪz/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "weakness" vs "weaknesses" - which ranks higher?
"weakness" is the more common of the two: it sits at frequency rank #5,282 in our English list, against #9,694 for "weaknesses". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "weakness" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "weaknesses" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #466,790 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "weakness" and "weaknesses" also get mixed up with nearby pairs, the highest-scored neighbour is "weakness vs wetness". 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 #466,790 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