postervspostwarWhich spelling fits?

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

Which to use

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

#5,247
“poster” frequency rank
#16,999
“postwar” frequency rank
22246
confusion score

Side-by-Side Comparison

Feature poster postwar
Definition A picture of a celebrity, an event etc., intended to be attached to a wall. Alternative spelling of post-war.

Letter map: poster vs postwar

Shared letters muted; letters that set poster and postwar apart highlighted. Shared run: 5.

6 ch
poster
7 ch
postwar

Grammar separator: poster vs postwar

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: poster is anoun and postwaranadjective. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 22246, derived from the frequency rank of both members and their visual similarity.

poster is recorded at frequency rank #5,247, classified as anoun, pronounced /ˈpoʊstɚ/. postwar is at rank #16,999, tagged as anadj.

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 22246, this pair ranks #417,984 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of poster vs postwar

Shared letters: oprst. Private to "poster": e. Private to "postwar": aw.

"poster" · 6 letters · shape CVCCVC  ·  "postwar" · 7 letters · shape CVCCCVC

Known mistypes of this pair

  • posteropster · posetr · posster · posterr · postre · postter · potser · pposter
  • postwaropstwar · posstwar · postawr · posttwar · postwarr · postwra · postwwar · poswtar

Frequently Asked Questions

Can "poster" and "postwar" be used interchangeably?
No - they are not even the same part of speech. "poster" is a noun and "postwar" an adjective, so a sentence built for one is usually ungrammatical with the other.
In ordinary English text, does "poster" or "postwar" show up more?
"poster" is the more common of the two: it sits at frequency rank #5,247 in our English list, against #16,999 for "postwar". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

You've compared "poster" and "postwar". Here's where to go from here.

  • Full dictionary entry for "poster" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "postwar" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #417,984 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "poster" and "postwar" 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 #417,984 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