pad vs PJs, What's the Difference?

Which to use

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

#7,039
“pad” frequency rank: #44,408
“PJs” frequency rank: 51447
confusion score

Side-by-Side Comparison

Feature	pad	PJs
Definition	A flattened mass of anything soft, to sit or lie on.	pajamas; pyjamas

Letter map: pad vs PJs

Shared letters muted; letters that set pad and PJs apart highlighted. Shared run: 1.

3 ch

pad

3 ch

PJs

Corpus notes: pad and PJs

pad and PJs are indexed as a confusable English pair. We have no recorded pronunciation or part of speech for both members, so the spelling overlap is what we can show you: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 51447, derived from the frequency rank of both members and their visual similarity.

pad is recorded at frequency rank #7,039, classified as anoun, pronounced /pæd/. PJs is at rank #44,408, tagged as anoun.

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 51447, this pair ranks #165,415 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of pad vs PJs

Shared letters: p. Private to "pad": ad. Private to "PJs": js.

"pad" · 3 letters · shape CVC · "PJs" · 3 letters · shape CCC

Frequently Asked Questions

Is swapping "pad" for "PJs" ever safe?

No. They share most of their letters but differ in 2 positions, but the dictionary glosses above give them different meanings, so swapping one for the other changes what the sentence says.

Frequency check: "pad" vs "PJs" - which ranks higher?

"pad" is the more common of the two: it sits at frequency rank #7,039 in our English list, against #44,408 for "PJs". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

You've compared "pad" and "PJs". Here's where to go from here.

Full dictionary entry for "pad" with definition, IPA, and generated misspellings. Word entry
Full dictionary entry for "PJs" - compare definitions side by side with the headword page. Word entry
This pair ranks #165,415 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
"pad" and "PJs" also get mixed up with nearby pairs, the highest-scored neighbour is "PJs vs PPA". Nearby pair

Confusion rank #165,415 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.