PetervsposterWhich spelling fits?

Which to use

“Peter” and “poster” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#1,402
“Peter” frequency rank
#5,247
“poster” frequency rank
6649
confusion score

Side-by-Side Comparison

Feature Peter poster
Definition radiotelephony clear-code word for the letter P. A picture of a celebrity, an event etc., intended to be attached to a wall.

Where the eye mixes Peter and poster

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.

5 ch
Peter
6 ch
poster

Why the eye confuses Peter with poster

A purely visual mix-up. Peter (/ˈpiːtə/) and poster (/ˈpoʊstɚ/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 6649, derived from the frequency rank of both members and their visual similarity.

Peter is recorded at frequency rank #1,402, classified as anoun, pronounced /ˈpiːtə/. poster is at rank #5,247, tagged as anoun, pronounced /ˈpoʊstɚ/.

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 6649, this pair ranks #510,574 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of Peter vs poster

Shared letters: eprt. Private to "Peter": -. Private to "poster": os.

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

Known mistypes of this pair

  • Peterepter · peetr · peterr · petre · petter · ppeter · pteer
  • posteropster · posetr · posster · posterr · postre · postter · potser · pposter

Frequently Asked Questions

Can "Peter" and "poster" be used interchangeably?
No. They are said differently (/ˈpiːtə/ versus /ˈpoʊstɚ/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "Peter" or "poster"?
"Peter" is the more common of the two: it sits at frequency rank #1,402 in our English list, against #5,247 for "poster". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "Peter" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "poster" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #510,574 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "Peter" and "poster" also get mixed up with nearby pairs, the highest-scored neighbour is "pooper vs poster". 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 #510,574 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