promisevsproseWhat's the difference?

Which to use

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

#2,009
“promise” frequency rank
#10,913
“prose” frequency rank
12922
confusion score

Side-by-Side Comparison

Feature promise prose
Definition An oath or affirmation; a vow. Language, particularly written language, not intended as poetry.

Where the eye mixes promise and prose

Muted = shared; highlighted = the visual trap. They share 5 letters in sequence.

7 ch
promise
5 ch
prose

Visual trap between promise and prose

A purely visual mix-up. promise (/ˈpɹɒmɪs/) and prose (/ˈpɹəʊz/) 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 2 letter(s) in length. Our composite confusion score for this pair is 12922, derived from the frequency rank of both members and their visual similarity.

promise is recorded at frequency rank #2,009, classified as anoun, pronounced /ˈpɹɒmɪs/. prose is at rank #10,913, tagged as anoun, pronounced /ˈpɹəʊz/.

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 12922, this pair ranks #478,775 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of promise vs prose

Shared letters: eoprs. Private to "promise": im. Private to "prose": -.

"promise" · 7 letters · shape CCVCVCV  ·  "prose" · 5 letters · shape CCVCV

Known mistypes of this pair

  • promisepormise · ppromise · prmoise · proimse · promies · promisse · prommise · promsie
  • proseporse · pprose · proes · prosse · prrose · prsoe · rpose

Frequently Asked Questions

Can "promise" and "prose" be used interchangeably?
No. They are said differently (/ˈpɹɒmɪs/ versus /ˈpɹəʊz/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "promise" vs "prose" - which ranks higher?
"promise" is the more common of the two: it sits at frequency rank #2,009 in our English list, against #10,913 for "prose". 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 "promise" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "prose" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #478,775 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "promise" and "prose" also get mixed up with nearby pairs, the highest-scored neighbour is "prose vs prude". 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 #478,775 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