pestervsPeterTell them apart

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

Which to use

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

#48,966
“pester” frequency rank
#1,402
“Peter” frequency rank
50368
confusion score

Side-by-Side Comparison

Feature pester Peter
Definition To bother, harass, or annoy persistently. radiotelephony clear-code word for the letter P.

Where the eye mixes pester and Peter

Muted = shared; highlighted = the visual trap. They share 5 letters in sequence.

6 ch
pester
5 ch
Peter

Visual trap between pester and Peter

These two trip readers on the page rather than in the ear: pester is /ˈpɛstə(ɹ)/ while Peter is /ˈpiːtə/. 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 (verb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 50368, derived from the frequency rank of both members and their visual similarity.

pester is recorded at frequency rank #48,966, classified as averb, pronounced /ˈpɛstə(ɹ)/. Peter is at rank #1,402, tagged as anoun, pronounced /ˈpiːtə/.

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 50368, this pair ranks #174,947 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of pester vs Peter

Shared letters: eprt. Private to "pester": s. Private to "Peter": -.

"pester" · 6 letters · shape CVCCVC  ·  "Peter" · 5 letters · shape CVCVC

Known mistypes of this pair

  • pesterepster · pesetr · pesster · pesterr · pestre · pestter · petser · ppester
  • Peterepter · peetr · peterr · petre · petter · ppeter · pteer

Frequently Asked Questions

Is swapping "pester" for "Peter" ever safe?
No - they are not even the same part of speech. "pester" is a verb and "Peter" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "pester" or "Peter"?
"Peter" is the more common of the two: it sits at frequency rank #1,402 in our English list, against #48,966 for "pester". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "pester" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Peter" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #174,947 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "pester" and "Peter" also get mixed up with nearby pairs, the highest-scored neighbour is "pester vs Petey". 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 #174,947 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