Which to use
“complementary” and “complimentary” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #13,688
- “complementary” frequency rank
- #18,273
- “complimentary” frequency rank
- 31961
- confusion score
Side-by-Side Comparison
| Feature | complementary | complimentary |
|---|---|---|
| Definition | Acting as a complement; making up a whole with something else. | In the nature of a compliment. |
Same sound, different letters: complementary vs complimentary
Muted letters are shared; highlighted letters are the only spelling cue when pronunciation matches. Shared run: 12 letters.
Ear matches; page differs - complementary and complimentary
This is the hard kind. complementary and complimentary are pronounced identically (/ˌkɒmplɪˈmɛnt(ə)ɹi/) and both work as anadjective. Neither the ear nor the grammar will rescue you; only the meaning does, so the glosses below are the whole decision. They differ by a single letter - e in “complementary” becomes i in “complimentary”. Our composite confusion score for this pair is 31961, derived from the frequency rank of both members and their visual similarity.
complementary is recorded at frequency rank #13,688, classified as anadj, pronounced /ˌkɒmplɪˈmɛnt(ə)ɹi/. complimentary is at rank #18,273, tagged as anadj, pronounced /ˌkɒmplɪˈmɛnt(ə)ɹi/.
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 31961, this pair ranks #341,740 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of complementary vs complimentary
Shared letters: acelmnoprty. Private to "complementary": -. Private to "complimentary": i.
"complementary" · 13 letters · shape CVCCCVCVCCVCV · "complimentary" · 13 letters · shape CVCCCVCVCCVCV
Known mistypes of this pair
- complementary ← ccomplementary · cmoplementary · comlpementary · commplementary · compelmentary · compleemntary · complemenatry · complemenntary
- complimentary ← ccomplimentary · cmoplimentary · comlpimentary · commplimentary · compilmentary · compliemntary · complimenatry · complimenntary
Frequently Asked Questions
Can "complementary" and "complimentary" be used interchangeably?
In ordinary English text, does "complementary" or "complimentary" show up more?
Useful next steps
"complementary" and "complimentary" share a sound, keep the gloss open, then jump to the headword or a nearby trap.
- Full dictionary entry for "complementary" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "complimentary" - compare definitions side by side with the headword page. Word entry
- This pair ranks #341,740 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- 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 #341,740 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.