Which to use
“preface” is a noun and “profane” is an adjective - they look or sound alike but fill different roles in a sentence.
- #17,448
- “preface” frequency rank
- #30,548
- “profane” frequency rank
- 47996
- confusion score
Side-by-Side Comparison
| Feature | preface | profane |
|---|---|---|
| Definition | A beginning or introductory portion that comes before the main text of a document or book, typically serving to contextualize or explain the writing of the book and sometimes to acknowledge others' contributions; especially, such a discussion written by the work's own author. | Unclean; ritually impure; unholy, desecrating a holy place or thing. |
Where the eye mixes preface and profane
Muted = shared; highlighted = the visual trap. They share 5 letters in sequence.
Why the eye confuses preface with profane
These two trip readers on the page rather than in the ear: preface is /ˈpɹɛfəs/ while profane is /pɹəˈfeɪn/. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 47996, derived from the frequency rank of both members and their visual similarity.
preface is recorded at frequency rank #17,448, classified as anoun, pronounced /ˈpɹɛfəs/. profane is at rank #30,548, tagged as anadj, pronounced /pɹəˈfeɪn/.
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 47996, this pair ranks #197,300 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of preface vs profane
Shared letters: aefpr. Private to "preface": c. Private to "profane": no.
"preface" · 7 letters · shape CCVCVCV · "profane" · 7 letters · shape CCVCVCV
Known mistypes of this pair
Frequently Asked Questions
Do "preface" and "profane" mean the same thing in a sentence?
Frequency check: "preface" vs "profane" - which ranks higher?
Useful next steps
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "preface" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "profane" - compare definitions side by side with the headword page. Word entry
- This pair ranks #197,300 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "preface" and "profane" also get mixed up with nearby pairs, the highest-scored neighbour is "predate vs preface". 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 #197,300 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.