ienvsisiWhat's the difference?

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

Which to use

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

#41,335
“ien” frequency rank
#49,170
“isi” frequency rank
90505
confusion score

Side-by-Side Comparison

Feature ien isi
Definition Un, une Deuxième personne du singulier du futur de l’indicatif du verbe isal/isañ.

Letter map: ien vs isi

Shared letters muted; letters that set ien and isi apart highlighted. Shared run: 1. ien (VVC) and isi (VCV) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

3 ch
ien
3 ch
isi

Role in the sentence - ien and isi

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: ien is anarticle and isiaverb. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 90505, derived from the frequency rank of both members and their visual similarity.

ien is recorded at frequency rank #41,335, classified as anarticle. 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 90505, this pair ranks #4,717 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of ien vs isi

Shared letters: i. Private to "ien": en. Private to "isi": s.

"ien" · 3 letters · shape VVC  ·  "isi" · 3 letters · shape VCV

Frequently Asked Questions

Can "ien" and "isi" be used interchangeably?
No - they are not even the same part of speech. "ien" is an article and "isi" a verb, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "ien" or "isi"?
"ien" is the more common of the two: it sits at frequency rank #41,335 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.

After this comparison

Pair "ien" vs "isi" is on the table, pick a follow-up below.

  • Full dictionary entry for "ien" 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 #4,717 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "ien" and "isi" also get mixed up with nearby pairs, the highest-scored neighbour is "ime vs isi". Nearby pair

Confusion rank #4,717 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