poopervsposterWhich spelling fits?

Which to use

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

#49,560
“pooper” frequency rank
#5,247
“poster” frequency rank
54807
confusion score

Side-by-Side Comparison

Feature pooper poster
Definition The anus; often in reference to anal intercourse. A picture of a celebrity, an event etc., intended to be attached to a wall.

Letter map: pooper vs poster

Shared letters muted; letters that set pooper and poster apart highlighted. Shared run: 4.

6 ch
pooper
6 ch
poster

Pair insight - pooper / poster

pooper and poster are indexed as a confusable English pair. We have no recorded pronunciation or part of speech for both members, so the spelling overlap is what we can show you: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 54807, derived from the frequency rank of both members and their visual similarity.

pooper is recorded at frequency rank #49,560, classified as anoun. 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 54807, this pair ranks #138,339 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of pooper vs poster

Shared letters: eopr. Private to "pooper": -. Private to "poster": st.

"pooper" · 6 letters · shape CVVCVC  ·  "poster" · 6 letters · shape CVCCVC

Known mistypes of this pair

  • pooperopoper · pooepr · pooperr · poopper · poopre · popoer · ppooper
  • posteropster · posetr · posster · posterr · postre · postter · potser · pposter

Frequently Asked Questions

Is swapping "pooper" for "poster" ever safe?
No. They share most of their letters but differ in 2 positions, but the dictionary glosses above give them different meanings, so swapping one for the other changes what the sentence says.
In ordinary English text, does "pooper" or "poster" show up more?
"poster" is the more common of the two: it sits at frequency rank #5,247 in our English list, against #49,560 for "pooper". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Pair "pooper" vs "poster" is on the table, pick a follow-up below.

  • Full dictionary entry for "pooper" 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 #138,339 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "pooper" and "poster" also get mixed up with nearby pairs, the highest-scored neighbour is "pooper vs poops". 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 #138,339 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