pigvsPUWhich spelling fits?

Quick tell: pig is a noun, PU is an intj, so they fill different roles in a sentence.

Which to use

“pig” is a noun and “PU” is an intj - they look or sound alike but fill different roles in a sentence.

#5,724
“pig” frequency rank
#16,315
“PU” frequency rank
22039
confusion score

Side-by-Side Comparison

Feature pig PU
Definition Any of several mammalian species of the family Suidae, having cloven hooves, bristles and a snout adapted for digging; especially the domesticated animal Sus domesticus. Alternative form of P U; expression used when encountering a displeasing smell; exaggerated pronunciation of pew.

Letter map: pig vs PU

Shared letters muted; letters that set pig and PU apart highlighted. Shared run: 1.

3 ch
pig
2 ch
PU

Role in the sentence - pig and PU

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: pig is anoun and PUanintj. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 22039, derived from the frequency rank of both members and their visual similarity.

pig is recorded at frequency rank #5,724, classified as anoun, pronounced /pɪɡ/. PU is at rank #16,315, tagged as anintj.

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 22039, this pair ranks #419,509 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of pig vs PU

Shared letters: p. Private to "pig": gi. Private to "PU": u.

"pig" · 3 letters · shape CVC  ·  "PU" · 2 letters · shape CV

Frequently Asked Questions

Can "pig" and "PU" be used interchangeably?
No - they are not even the same part of speech. "pig" is a noun and "PU" an intj, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "pig" vs "PU" - which ranks higher?
"pig" is the more common of the two: it sits at frequency rank #5,724 in our English list, against #16,315 for "PU". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Pair "pig" vs "PU" is on the table, pick a follow-up below.

  • Full dictionary entry for "pig" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "PU" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #419,509 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "pig" and "PU" also get mixed up with nearby pairs, the highest-scored neighbour is "PPA vs PU". Nearby pair

Confusion rank #419,509 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list