formavsfortsWhat's the difference?

Quick tell: forma is a verb, forts is an adjective, so they fill different roles in a sentence.

Which to use

“forma” is a verb and “forts” is an adjective - they look or sound alike but fill different roles in a sentence.

#25,654
“forma” frequency rank
#3,075
“forts” frequency rank
28729
confusion score

Side-by-Side Comparison

Feature forma forts
Definition Troisième personne du singulier du passé simple de former. Masculin pluriel de fort

Where the eye mixes forma and forts

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.

5 ch
forma
5 ch
forts

Why the eye confuses forma with forts

These two trip readers on the page rather than in the ear: forma is \fɔʁ.ma\ while forts is \fɔʁ\. 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 (verb vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 28729, derived from the frequency rank of both members and their visual similarity.

forma is recorded at frequency rank #25,654, classified as averb, pronounced \fɔʁ.ma\. forts is at rank #3,075, tagged as anadj, pronounced \fɔʁ\.

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 28729, this pair ranks #321,045 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of forma vs forts

Shared letters: for. Private to "forma": am. Private to "forts": st.

"forma" · 5 letters · shape CVCCV  ·  "forts" · 5 letters · shape CVCCC

Known mistypes of this pair

  • formafforma · fomra · foram · formma · forrma · froma · ofrma
  • fortsfforts · forrts · forst · fortss · fortts · fotrs · frots · ofrts

Frequently Asked Questions

Can "forma" and "forts" be used interchangeably?
No - they are not even the same part of speech. "forma" is a verb and "forts" an adjective, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "forma" vs "forts" - which ranks higher?
"forts" is the more common of the two: it sits at frequency rank #3,075 in our French list, against #25,654 for "forma". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Eye-level mix-up between "forma" and "forts" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "forma" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "forts" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #321,045 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "forma" and "forts" also get mixed up with nearby pairs, the highest-scored neighbour is "forma vs formaté". 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 #321,045 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