Which to use
“pajama” and “pyjamas” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #36,699
- “pajama” frequency rank
- #30,554
- “pyjamas” frequency rank
- 67253
- confusion score
Side-by-Side Comparison
| Feature | pajama | pyjamas |
|---|---|---|
| Definition | Attributive form of pajamas. | British standard spelling of pajamas (“clothes for sleeping in”). |
Where the eye mixes pajama and pyjamas
Muted = shared; highlighted = the visual trap. They share 5 letters in sequence. pajama runs 6 letters (CVCVCV) against pyjamas's 7 (CVCVCVC) - the length gap alone is often enough to separate them once you know to check it.
Visual trap between pajama and pyjamas
A purely visual mix-up. pajama (/pəˈd͡ʒæmə/) and pyjamas (/pɪˈd͡ʒɑːməz/) 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 67253, derived from the frequency rank of both members and their visual similarity.
pajama is recorded at frequency rank #36,699, classified as anoun, pronounced /pəˈd͡ʒæmə/. pyjamas is at rank #30,554, tagged as anoun, pronounced /pɪˈd͡ʒɑːməz/.
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 67253, this pair ranks #64,201 of 530,003 scored English confusable pairs - among the most confusable pairs.
Orthographic DNA of pajama vs pyjamas
Shared letters: ajmp. Private to "pajama": -. Private to "pyjamas": sy.
"pajama" · 6 letters · shape CVCVCV · "pyjamas" · 7 letters · shape CVCVCVC
Known mistypes of this pair
Frequently Asked Questions
Is swapping "pajama" for "pyjamas" ever safe?
Which is more common, "pajama" or "pyjamas"?
After this comparison
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "pajama" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "pyjamas" - compare definitions side by side with the headword page. Word entry
- This pair ranks #64,201 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "pajama" and "pyjamas" also get mixed up with nearby pairs, the highest-scored neighbour is "padma vs pajama". 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 #64,201 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.