passvspusWhat's the difference?

Quick tell: pass is a verb, pus is a noun, so they fill different roles in a sentence.

Which to use

“pass” is a verb and “pus” is a noun - they look or sound alike but fill different roles in a sentence.

#20,155
“pass” frequency rank
#26,976
“pus” frequency rank
47131
confusion score

Side-by-Side Comparison

Feature pass pus
Definition Pasar. Sustancia blanquecina o amarillenta producida por el cuerpo durante procesos infecciosos. Está compuesto, principalmente, por microorganismos muertos, glóbulos blancos muertos, y restos de tejido dañado.

Where the spellings diverge

Shared letters are muted; the letters that actually set pass and pus apart are highlighted. They share 2 letters in sequence, which is exactly why the eye skips the difference.

4 ch
pass
3 ch
pus

Spelling & Dictionary Insight

pass and pus form a confusable pair in the Spanish index, two distinct headwords that are easily confused because they look alike, sound alike, or both. They differ by 1 letter(s) in length - close enough that the eye skips over the difference, far enough that meaning fully diverges. Our composite confusion score for this pair is 47131, derived from the frequency rank of both members and their visual similarity.

pass is recorded at frequency rank #20,155, classified as averb, pronounced /pɑːs/. pus is at rank #26,976, tagged as anoun, pronounced [ˈpus].

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 47131, this pair ranks #121,746 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Frequency comparison

pass#20,155
pus#26,976

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "pass" and "pus" be used interchangeably?
No, "pass" and "pus" have distinct meanings and cannot be swapped without changing the meaning of a sentence. Understanding the specific definition and context for each word is essential for correct usage.

Remembering pass vs pus

The fastest way to pick the right one every time.

  • Check the role first: if you need a verb, it's “pass”; for a noun, it's “pus”.
  • See each word in full, definition, IPA, etymology and its other confusables. Full “pass” entry
  • Browse more pairs most likely to be confused. Most confusable

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list FrequencyWords open word-frequency list