priorvspromConfusable pair

Quick tell: prior is a adjective, prom is a noun, so they fill different roles in a sentence.

Which to use

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

#43,083
“prior” frequency rank
#39,950
“prom” frequency rank
83033
confusion score

Side-by-Side Comparison

Feature prior prom
Definition Antérieur, préalable. Promenade.

Letter map: prior vs prom

Shared letters muted; letters that set prior and prom apart highlighted. Shared run: 3.

5 ch
prior
4 ch
prom

Part-of-speech tell for prior / prom

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: prior is anadjective and promanoun. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 83033, derived from the frequency rank of both members and their visual similarity.

prior is recorded at frequency rank #43,083, classified as anadj, pronounced \ˈpɹaɪ.ə\. prom is at rank #39,950, tagged as anoun.

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 83033, this pair ranks #15,585 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of prior vs prom

Shared letters: opr. Private to "prior": i. Private to "prom": m.

"prior" · 5 letters · shape CCVVC  ·  "prom" · 4 letters · shape CCVC

Known mistypes of this pair

  • priorpiror · pprior · priorr · priro · proir · prrior · rpior
  • promporm · pprom · prmo · promm · prrom · rpom

Frequently Asked Questions

Can "prior" and "prom" be used interchangeably?
No - they are not even the same part of speech. "prior" is an adjective and "prom" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "prior" vs "prom" - which ranks higher?
"prom" is the more common of the two: it sits at frequency rank #39,950 in our French list, against #43,083 for "prior". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Pair "prior" vs "prom" is on the table, pick a follow-up below.

  • Full dictionary entry for "prior" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "prom" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #15,585 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "prior" and "prom" also get mixed up with nearby pairs, the highest-scored neighbour is "priée vs prior". 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 #15,585 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list