épidémiologievsépidémiologiqueWhich spelling fits?

Quick tell: épidémiologie is a noun, épidémiologique is an adjective, so they fill different roles in a sentence.

Which to use

“épidémiologie” is a noun and “épidémiologique” is an adjective - they look or sound alike but fill different roles in a sentence.

#37,619
“épidémiologie” frequency rank
#40,089
“épidémiologique” frequency rank
77708
confusion score

Side-by-Side Comparison

Feature épidémiologie épidémiologique
Definition Discipline scientifique qui étudie, à l’échelle des populations, la fréquence, la distribution et les déterminants des problèmes de santé, ainsi que les moyens d’y remédier. Qui concerne l'épidémiologie, l'étude des épidémies ou plus généralement des problèmes de santé, de leurs causes, de leur impact, de leur propagation et des moyens de les combattre.

Where the eye mixes épidémiologie and épidémiologique

Muted = shared; highlighted = the visual trap. They share 13 letters in sequence. épidémiologie runs 13 letters (VCVCVCVVCVCVV) against épidémiologique's 15 (VCVCVCVVCVCVCVV) - the length gap alone is often enough to separate them once you know to check it.

13 ch
épidémiologie
15 ch
épidémiologique

Why the eye confuses épidémiologie with épidémiologique

These two trip readers on the page rather than in the ear: épidémiologie is \e.pi.de.mjɔ.lɔ.ʒi\ while épidémiologique is \e.pi.de.mjɔ.lɔ.ʒik\. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 letter(s) in length, and the parts of speech differ too (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 77708, derived from the frequency rank of both members and their visual similarity.

épidémiologie is recorded at frequency rank #37,619, classified as anoun, pronounced \e.pi.de.mjɔ.lɔ.ʒi\. épidémiologique is at rank #40,089, tagged as anadj, pronounced \e.pi.de.mjɔ.lɔ.ʒik\.

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 77708, this pair ranks #27,647 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of épidémiologie vs épidémiologique

Shared letters: degilmopé. Private to "épidémiologie": -. Private to "épidémiologique": qu.

"épidémiologie" · 13 letters · shape VCVCVCVVCVCVV  ·  "épidémiologique" · 15 letters · shape VCVCVCVVCVCVCVV

Frequently Asked Questions

Do "épidémiologie" and "épidémiologique" mean the same thing in a sentence?
No - they are not even the same part of speech. "épidémiologie" is a noun and "épidémiologique" an adjective, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "épidémiologie" or "épidémiologique"?
"épidémiologie" is the more common of the two: it sits at frequency rank #37,619 in our French list, against #40,089 for "épidémiologique". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Eye-level mix-up between "épidémiologie" and "épidémiologique" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "épidémiologie" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "épidémiologique" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #27,647 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "épidémiologie" and "épidémiologique" also get mixed up with nearby pairs, the highest-scored neighbour is "épidémiologique vs épidémiologiques". Nearby pair

Confusion rank #27,647 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