foravsfortyTell them apart

Quick tell: fora is a noun, forty is a num, so they fill different roles in a sentence.

Which to use

“fora” is a noun and “forty” is a num - they look or sound alike but fill different roles in a sentence.

#39,817
“fora” frequency rank
#5,130
“forty” frequency rank
44947
confusion score

Side-by-Side Comparison

Feature fora forty
Definition plural of forum; alternative form of forums The cardinal number occurring after thirty-nine and before forty-one, represented in Roman numerals as XL and in Arabic numerals as 40.

Letter map: fora vs forty

Shared letters muted; letters that set fora and forty apart highlighted. Shared run: 3. fora runs 4 letters (CVCV) against forty's 5 (CVCCV) - the length gap alone is often enough to separate them once you know to check it.

4 ch
fora
5 ch
forty

Grammar separator: fora vs forty

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: fora is anoun and fortyanum. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 44947, derived from the frequency rank of both members and their visual similarity.

fora is recorded at frequency rank #39,817, classified as anoun. forty is at rank #5,130, tagged as anum, pronounced /ˈfɔːti/.

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 44947, this pair ranks #225,864 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of fora vs forty

Shared letters: for. Private to "fora": a. Private to "forty": ty.

"fora" · 4 letters · shape CVCV  ·  "forty" · 5 letters · shape CVCCV

Known mistypes of this pair

  • fora ← ffora · foar · forra · froa · ofra
  • forty ← fforty · forrty · fortty · fortyy · foryt · fotry · froty · ofrty

Frequently Asked Questions

Can "fora" and "forty" be used interchangeably?
No - they are not even the same part of speech. "fora" is a noun and "forty" a num, so a sentence built for one is usually ungrammatical with the other.
In ordinary English text, does "fora" or "forty" show up more?
"forty" is the more common of the two: it sits at frequency rank #5,130 in our English list, against #39,817 for "fora". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Pair "fora" vs "forty" is on the table, pick a follow-up below.

  • Full dictionary entry for "fora" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "forty" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #225,864 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "fora" and "forty" also get mixed up with nearby pairs, the highest-scored neighbour is "FOMO vs fora". 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 #225,864 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list