poxvspunWhat's the difference?

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

Which to use

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

#28,674
“pox” frequency rank
#13,993
“pun” frequency rank
42667
confusion score

Side-by-Side Comparison

Feature pox pun
Definition A disease characterized by purulent skin eruptions that may leave pockmarks. To beat; strike with force; to ram; to pound, as in a mortar; reduce to powder, to pulverize.

Where the eye mixes pox and pun

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.

3 ch
pox
3 ch
pun

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: pox is /pɑks/ while pun is /pʌn/. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (noun vs verb), which is usually the fastest check. Our composite confusion score for this pair is 42667, derived from the frequency rank of both members and their visual similarity.

pox is recorded at frequency rank #28,674, classified as anoun, pronounced /pɑks/. pun is at rank #13,993, tagged as averb, pronounced /pʌn/.

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 42667, this pair ranks #247,174 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of pox vs pun

Shared letters: p. Private to "pox": ox. Private to "pun": nu.

"pox" · 3 letters · shape CVC  ·  "pun" · 3 letters · shape CVC

Frequently Asked Questions

Can "pox" and "pun" be used interchangeably?
No - they are not even the same part of speech. "pox" is a noun and "pun" a verb, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "pox" or "pun"?
"pun" is the more common of the two: it sits at frequency rank #13,993 in our English list, against #28,674 for "pox". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

You've compared "pox" and "pun". Here's where to go from here.

  • Full dictionary entry for "pox" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "pun" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #247,174 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "pox" and "pun" also get mixed up with nearby pairs, the highest-scored neighbour is "pox vs PPA". Nearby pair

PlainSpell is a reference corpus, not spelling advice. Verify unusual forms in context.

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

Source: FrequencyWords open word-frequency list