forte vs fortis, What's the Difference?

Which to use

“forte” is an adverb and “fortis” is an adjective - they look or sound alike but fill different roles in a sentence.

#942
“forte” frequency rank: #46,179
“fortis” frequency rank: 47121
confusion score

Side-by-Side Comparison

Feature	forte	fortis
Definition	Fort. Il se met, dans un morceau de musique, aux endroits où le son doit être renforcé. Le symbole : 𝆑.	Fort, robuste, solide, vigoureux, bien portant.

Where the spellings diverge

Shared letters are muted; the letters that actually set forte and fortis apart are highlighted. They share 4 letters in sequence, which is exactly why the eye skips the difference.

5 ch

forte

6 ch

fortis

Spelling & Dictionary Insight

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: forte is anadverb and fortisanadjective. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 47121, derived from the frequency rank of both members and their visual similarity.

forte is recorded at frequency rank #942, classified as anadv, pronounced \fɔʁ.te\. 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 47121, this pair ranks #189,411 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of forte vs fortis

Shared letters: fort. Private to "forte": e. Private to "fortis": is.

"forte" · 5 letters · shape CVCCV · "fortis" · 6 letters · shape CVCCVC

Known mistypes of this pair

forte ← fforte · foret · forrte · fortte · fotre · frote · ofrte
fortis ← ffortis · forits · forrtis · fortiss · fortsi · fotris · ofrtis

Frequency comparison

forte#942

fortis#46,179

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "forte" and "fortis" be used interchangeably?

No - they are not even the same part of speech. "forte" is an adverb and "fortis" an adjective, so a sentence built for one is usually ungrammatical with the other.

Which is more common, "forte" or "fortis"?

"forte" is the more common of the two: it sits at frequency rank #942 in our French list, against #46,179 for "fortis". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Remembering forte vs fortis

The fastest way to pick the right one every time.

Check the role first: if you need an adverb, it's “forte”; for an adjective, it's “fortis”.
See each word in full, definition, IPA, etymology and its other confusables. Full “forte” entry
Browse more pairs most likely to be confused. Most confusable