IvsisiWhich spelling fits?

Quick tell: I is a symbol, isi is a verb, so they fill different roles in a sentence.

Which to use

“I” is a symbol and “isi” is a verb - they look or sound alike but fill different roles in a sentence.

#381
“I” frequency rank
#49,170
“isi” frequency rank
49551
confusion score

Side-by-Side Comparison

Feature I isi
Definition Symbole chimique de l’iode. Deuxième personne du singulier du futur de l’indicatif du verbe isal/isañ.

Letter map: I vs isi

Shared letters muted; letters that set I and isi apart highlighted. Shared run: 1.

1 ch
I
3 ch
isi

Role in the sentence - I and isi

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: I is asymbol and isiaverb. On the page they differ by 2 extra letter(s) - “I” sits inside “isi”. Our composite confusion score for this pair is 49551, derived from the frequency rank of both members and their visual similarity.

I is recorded at frequency rank #381, classified as asymbol. isi is at rank #49,170, tagged as averb, pronounced \ˈisːi\.

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 49551, this pair ranks #169,706 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of I vs isi

Shared letters: i. Private to "I": -. Private to "isi": s.

"I" · 1 letters · shape V  ·  "isi" · 3 letters · shape VCV

Frequently Asked Questions

Do "I" and "isi" mean the same thing in a sentence?
No - they are not even the same part of speech. "I" is a symbol and "isi" a verb, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "I" or "isi"?
"I" is the more common of the two: it sits at frequency rank #381 in our French list, against #49,170 for "isi". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

You've compared "I" and "isi". Here's where to go from here.

  • Full dictionary entry for "I" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "isi" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #169,706 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "I" and "isi" also get mixed up with nearby pairs, the highest-scored neighbour is "ime vs isi". Nearby pair

Confusion rank #169,706 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