Which to use
“fortin” is a noun and “fortis” is an adjective - they look or sound alike but fill different roles in a sentence.
- #20,147
- “fortin” frequency rank
- #46,179
- “fortis” frequency rank
- 66326
- confusion score
Side-by-Side Comparison
| Feature | fortin | fortis |
|---|---|---|
| Definition | Petit fort. | Fort, robuste, solide, vigoureux, bien portant. |
Letter map: fortin vs fortis
Shared letters muted; letters that set fortin and fortis apart highlighted. Shared run: 5. fortin and fortis follow the identical consonant-vowel pattern (CVCCVC). Same shape at a glance is often the real trap, independent of shared letters.
Role in the sentence - fortin and fortis
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: fortin is anoun and fortisanadjective. On the page they differ by a single letter - n in “fortin” becomes s in “fortis”. Our composite confusion score for this pair is 66326, derived from the frequency rank of both members and their visual similarity.
fortin is recorded at frequency rank #20,147, classified as anoun, pronounced \fɔʁ.tɛ̃\. fortis is at rank #46,179, 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 66326, this pair ranks #68,316 of 440,172 scored French confusable pairs - among the most confusable pairs.
Orthographic DNA of fortin vs fortis
Shared letters: fiort. Private to "fortin": n. Private to "fortis": s.
"fortin" · 6 letters · shape CVCCVC · "fortis" · 6 letters · shape CVCCVC
Known mistypes of this pair
Frequently Asked Questions
Do "fortin" and "fortis" mean the same thing in a sentence?
Frequency check: "fortin" vs "fortis" - which ranks higher?
Useful next steps
Pair "fortin" vs "fortis" is on the table, pick a follow-up below.
- Full dictionary entry for "fortin" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "fortis" - compare definitions side by side with the headword page. Word entry
- This pair ranks #68,316 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "fortin" and "fortis" also get mixed up with nearby pairs, the highest-scored neighbour is "fortis vs furtifs". 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 #68,316 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.