ISFvsitoWhich spelling fits?

Quick tell: ISF is a name, ito is a verb, so they fill different roles in a sentence.

Which to use

“ISF” is a name and “ito” is a verb - they look or sound alike but fill different roles in a sentence.

#17,462
“ISF” frequency rank
#42,956
“ito” frequency rank
60418
confusion score

Side-by-Side Comparison

Feature ISF ito
Definition Impôt déclaratif payé par les personnes physiques, célibataires ou en couple, possédant un patrimoine imposable dont la valeur nette est supérieure à un seuil fixé par la loi. (se) Noyer, (s') asphyxier, (s') étouffer.

Letter map: ISF vs ito

Shared letters muted; letters that set ISF and ito apart highlighted. Shared run: 1.

3 ch
ISF
3 ch
ito

Role in the sentence - ISF and ito

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: ISF is aname and itoaverb. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 60418, derived from the frequency rank of both members and their visual similarity.

ISF is recorded at frequency rank #17,462, classified as aname, pronounced \i ɛ.s‿ɛf\. ito is at rank #42,956, tagged as averb.

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 60418, this pair ranks #97,697 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of ISF vs ito

Shared letters: i. Private to "ISF": fs. Private to "ito": ot.

"ISF" · 3 letters · shape VCC  ·  "ito" · 3 letters · shape VCV

Frequently Asked Questions

Is swapping "ISF" for "ito" ever safe?
No - they are not even the same part of speech. "ISF" is a name and "ito" a verb, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "ISF" or "ito"?
"ISF" is the more common of the two: it sits at frequency rank #17,462 in our French list, against #42,956 for "ito". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

You've compared "ISF" and "ito". Here's where to go from here.

  • Full dictionary entry for "ISF" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "ito" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #97,697 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "ISF" and "ito" also get mixed up with nearby pairs, the highest-scored neighbour is "isi vs ito". Nearby pair

Confusion rank #97,697 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