studivssubiConfusable pair

Quick tell: studi is a noun, subi is a verb, so they fill different roles in a sentence.

Which to use

“studi” is a noun and “subi” is a verb - they look or sound alike but fill different roles in a sentence.

#47,056
“studi” frequency rank
#4,024
“subi” frequency rank
51080
confusion score

Side-by-Side Comparison

Feature studi subi
Definition Étude (scolaire, de notaire). Participe passé masculin singulier de subir.

Where the eye mixes studi and subi

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.

5 ch
studi
4 ch
subi

Visual trap between studi and subi

These two trip readers on the page rather than in the ear: studi is \ˈstyː.di\ while subi is \sy.bi\. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (noun vs verb), which is usually the fastest check. Our composite confusion score for this pair is 51080, derived from the frequency rank of both members and their visual similarity.

studi is recorded at frequency rank #47,056, classified as anoun, pronounced \ˈstyː.di\. subi is at rank #4,024, tagged as averb, pronounced \sy.bi\.

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 51080, this pair ranks #157,756 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of studi vs subi

Shared letters: isu. Private to "studi": dt. Private to "subi": b.

"studi" · 5 letters · shape CCVCV  ·  "subi" · 4 letters · shape CVCV

Known mistypes of this pair

  • studisstudi · stdui · sttudi · studdi · stuid · sutdi · tsudi
  • subisbui · ssubi · subbi · suib · usbi

Frequently Asked Questions

Is swapping "studi" for "subi" ever safe?
No - they are not even the same part of speech. "studi" is a noun and "subi" a verb, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "studi" or "subi"?
"subi" is the more common of the two: it sits at frequency rank #4,024 in our French list, against #47,056 for "studi". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "studi" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "subi" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #157,756 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "studi" and "subi" also get mixed up with nearby pairs, the highest-scored neighbour is "studi vs stups". 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 #157,756 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