Which to use
“pulse” and “pus” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #6,507
- “pulse” frequency rank
- #28,336
- “pus” frequency rank
- 34843
- confusion score
Side-by-Side Comparison
| Feature | pulse | pus |
|---|---|---|
| Definition | A normally regular beat felt when arteries near the skin (for example, at the neck or wrist) are depressed, caused by the heart pumping blood through them; the qualitative nature of this beat. | A whitish-yellow or yellow substance composed primarily of dead white blood cells and dead pyogenic bacteria, normally found in regions of bacterial infection. |
Where the eye mixes pulse and pus
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.
Why the eye confuses pulse with pus
A purely visual mix-up. pulse (/pʌls/) and pus (/pʌs/) 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 letter(s) in length. Our composite confusion score for this pair is 34843, derived from the frequency rank of both members and their visual similarity.
pulse is recorded at frequency rank #6,507, classified as anoun, pronounced /pʌls/. pus is at rank #28,336, tagged as anoun, pronounced /pʌs/.
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 34843, this pair ranks #317,165 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of pulse vs pus
Shared letters: psu. Private to "pulse": el. Private to "pus": -.
"pulse" · 5 letters · shape CVCCV · "pus" · 3 letters · shape CVC
Known mistypes of this pair
- pulse ← pluse · ppulse · pules · pullse · pulsse · pusle · uplse
Frequently Asked Questions
Is swapping "pulse" for "pus" ever safe?
Frequency check: "pulse" vs "pus" - which ranks higher?
After this comparison
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "pulse" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "pus" - compare definitions side by side with the headword page. Word entry
- This pair ranks #317,165 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "pulse" and "pus" also get mixed up with nearby pairs, the highest-scored neighbour is "PPA vs pus". 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 #317,165 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.