fortisvsforumsTell them apart

Quick tell: fortis is a adjective, forums is a noun, so they fill different roles in a sentence.

Which to use

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

#46,179
“fortis” frequency rank
#11,055
“forums” frequency rank
57234
confusion score

Side-by-Side Comparison

Feature fortis forums
Definition Fort, robuste, solide, vigoureux, bien portant. Pluriel de forum.

Letter map: fortis vs forums

Shared letters muted; letters that set fortis and forums apart highlighted. Shared run: 4.

6 ch
fortis
6 ch
forums

Grammar separator: fortis vs forums

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: fortis is anadjective and forumsanoun. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 57234, derived from the frequency rank of both members and their visual similarity.

fortis is recorded at frequency rank #46,179, classified as anadj. forums is at rank #11,055, tagged as anoun, pronounced \fɔ.ʁɔm\.

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 57234, this pair ranks #116,250 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of fortis vs forums

Shared letters: fors. Private to "fortis": it. Private to "forums": mu.

"fortis" · 6 letters · shape CVCCVC  ·  "forums" · 6 letters · shape CVCVCC

Known mistypes of this pair

  • fortisffortis · forits · forrtis · fortiss · fortsi · fotris · ofrtis
  • forumsfforums · formus · forrums · forumms · forumss · forusm · fourms · froums

Frequently Asked Questions

Is swapping "fortis" for "forums" ever safe?
No - they are not even the same part of speech. "fortis" is an adjective and "forums" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "fortis" or "forums"?
"forums" is the more common of the two: it sits at frequency rank #11,055 in our French list, against #46,179 for "fortis". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Pair "fortis" vs "forums" is on the table, pick a follow-up below.

  • Full dictionary entry for "fortis" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "forums" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #116,250 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "fortis" and "forums" 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 #116,250 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