IIevsisiConfusable pair

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

Which to use

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

#25,004
“IIe” frequency rank
#49,170
“isi” frequency rank
74174
confusion score

Side-by-Side Comparison

Feature IIe isi
Definition Deuxième. Deuxième personne du singulier du futur de l’indicatif du verbe isal/isañ.

Where the eye mixes IIe and isi

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence. IIe (VVV) and isi (VCV) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

3 ch
IIe
3 ch
isi

Visual trap between IIe and isi

These two trip readers on the page rather than in the ear: IIe is \dø.zjɛm\ while isi is \ˈisːi\. 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 (adjective vs verb), which is usually the fastest check. Our composite confusion score for this pair is 74174, derived from the frequency rank of both members and their visual similarity.

IIe is recorded at frequency rank #25,004, classified as anadj, pronounced \dø.zjɛm\. 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 74174, this pair ranks #37,995 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of IIe vs isi

Shared letters: i. Private to "IIe": e. Private to "isi": s.

"IIe" · 3 letters · shape VVV  ·  "isi" · 3 letters · shape VCV

Frequently Asked Questions

Do "IIe" and "isi" mean the same thing in a sentence?
No - they are not even the same part of speech. "IIe" is an adjective and "isi" a verb, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "IIe" or "isi"?
"IIe" is the more common of the two: it sits at frequency rank #25,004 in our French list, against #49,170 for "isi". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "IIe" 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 #37,995 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "IIe" and "isi" also get mixed up with nearby pairs, the highest-scored neighbour is "ime vs isi". Nearby pair

Confusion rank #37,995 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