préfvspromWhich spelling fits?

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

Which to use

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

#31,195
“préf” frequency rank
#39,950
“prom” frequency rank
71145
confusion score

Side-by-Side Comparison

Feature préf prom
Definition Préféré. Promenade.

Letter map: préf vs prom

Shared letters muted; letters that set préf and prom apart highlighted. Shared run: 2. préf and prom follow the identical consonant-vowel pattern (CCVC). Same shape at a glance is often the real trap, independent of shared letters.

4 ch
préf
4 ch
prom

Grammar separator: préf vs prom

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: préf is anadjective and promanoun. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 71145, derived from the frequency rank of both members and their visual similarity.

préf is recorded at frequency rank #31,195, classified as anadj, pronounced \pʁef\. 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 71145, this pair ranks #48,645 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of préf vs prom

Shared letters: pr. Private to "préf": fé. Private to "prom": mo.

"préf" · 4 letters · shape CCVC  ·  "prom" · 4 letters · shape CCVC

Known mistypes of this pair

  • prom ← porm · pprom · prmo · promm · prrom · rpom

Frequently Asked Questions

Can "préf" and "prom" be used interchangeably?
No - they are not even the same part of speech. "préf" is an adjective and "prom" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "préf" vs "prom" - which ranks higher?
"préf" is the more common of the two: it sits at frequency rank #31,195 in our French list, against #39,950 for "prom". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

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

  • Full dictionary entry for "préf" 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 #48,645 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "préf" and "prom" also get mixed up with nearby pairs, the highest-scored neighbour is "prep vs prom". 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 #48,645 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