pestvspettyConfusable pair

Quick tell: pest is a noun, petty is an adjective, so they fill different roles in a sentence.

Which to use

“pest” is a noun and “petty” is an adjective - they look or sound alike but fill different roles in a sentence.

#12,295
“pest” frequency rank
#6,394
“petty” frequency rank
18689
confusion score

Side-by-Side Comparison

Feature pest petty
Definition A pestilence, i.e. a deadly epidemic, a deadly plague. Having little or no importance.

Where the eye mixes pest and petty

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.

4 ch
pest
5 ch
petty

Look-alike desk: pest vs petty

These two trip readers on the page rather than in the ear: pest is /pɛst/ while petty is /ˈpɛt.i/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 18689, derived from the frequency rank of both members and their visual similarity.

pest is recorded at frequency rank #12,295, classified as anoun, pronounced /pɛst/. petty is at rank #6,394, tagged as anadj, pronounced /ˈpɛt.i/.

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 18689, this pair ranks #443,190 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of pest vs petty

Shared letters: ept. Private to "pest": s. Private to "petty": y.

"pest" · 4 letters · shape CVCC  ·  "petty" · 5 letters · shape CVCCV

Known mistypes of this pair

  • pestepst · pesst · pestt · ppest · pset
  • pettyeptty · pettyy · pety · petyt · ppetty · ptety

Frequently Asked Questions

Do "pest" and "petty" mean the same thing in a sentence?
No - they are not even the same part of speech. "pest" is a noun and "petty" an adjective, so a sentence built for one is usually ungrammatical with the other.
In ordinary English text, does "pest" or "petty" show up more?
"petty" is the more common of the two: it sits at frequency rank #6,394 in our English list, against #12,295 for "pest". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Eye-level mix-up between "pest" and "petty" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "pest" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "petty" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #443,190 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "pest" and "petty" also get mixed up with nearby pairs, the highest-scored neighbour is "pecs vs pest". 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 #443,190 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