complaintvscomplaintsWhat's the difference?

Which to use

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

#4,145
“complaint” frequency rank
#4,841
“complaints” frequency rank
8986
confusion score

Side-by-Side Comparison

Feature complaint complaints
Definition The act of complaining. plural of complaint

Where the eye mixes complaint and complaints

Muted = shared; highlighted = the visual trap. They share 9 letters in sequence. complaint runs 9 letters (CVCCCVVCC) against complaints's 10 (CVCCCVVCCC) - the length gap alone is often enough to separate them once you know to check it.

9 ch
complaint
10 ch
complaints

Visual trap between complaint and complaints

A purely visual mix-up. complaint (/kəmˈpleɪnt/) and complaints (/kəmˈpleɪnts/) 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) - “complaint” sits inside “complaints”. Our composite confusion score for this pair is 8986, derived from the frequency rank of both members and their visual similarity.

complaint is recorded at frequency rank #4,145, classified as anoun, pronounced /kəmˈpleɪnt/. complaints is at rank #4,841, tagged as anoun, pronounced /kəmˈpleɪnts/.

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 8986, this pair ranks #499,665 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of complaint vs complaints

Shared letters: acilmnopt. Private to "complaint": -. Private to "complaints": s.

"complaint" · 9 letters · shape CVCCCVVCC  ·  "complaints" · 10 letters · shape CVCCCVVCCC

Known mistypes of this pair

  • complaint ← ccomplaint · cmoplaint · comlpaint · commplaint · compalint · complainnt · complaintt · complaitn
  • complaints ← ccomplaints · cmoplaints · comlpaints · commplaints · compalints · complainnts · complainst · complaintss

Frequently Asked Questions

Can "complaint" and "complaints" be used interchangeably?
No. They are said differently (/kəmˈpleɪnt/ versus /kəmˈpleɪnts/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "complaint" or "complaints"?
"complaint" is the more common of the two: it sits at frequency rank #4,145 in our English list, against #4,841 for "complaints". 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 "complaint" and "complaints" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "complaint" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "complaints" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #499,665 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "complaint" and "complaints" also get mixed up with nearby pairs, the highest-scored neighbour is "complainant vs complaint". 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 #499,665 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