Which to use
“complex” is a noun and “complexe” is an adjective - they look or sound alike but fill different roles in a sentence.
- #44,940
- “complex” frequency rank
- #1,808
- “complexe” frequency rank
- 46748
- confusion score
Side-by-Side Comparison
| Feature | complex | complexe |
|---|---|---|
| Definition | Ce qui forme un tout dont les parties interagissent de manière que ce tout soit à la fois plus et autre chose que la somme de ses parties et acquière une unité propre. | Qui n’est pas simple ; qui embrasse des éléments divers et entremêlés. |
Where the spellings diverge
Shared letters are muted; the letters that actually set complex and complexe apart are highlighted. They share 7 letters in sequence, which is exactly why the eye skips the difference.
Spelling & Dictionary Insight
complex and complexe form a confusable pair in the French index, two distinct headwords that are easily confused because they look alike, sound alike, or both. They differ by 1 extra letter(s) - “complex” sits inside “complexe” - close enough that the eye skips over the difference, far enough that meaning fully diverges. Our composite confusion score for this pair is 46748, derived from the frequency rank of both members and their visual similarity.
complex is recorded at frequency rank #44,940, classified as anoun. complexe is at rank #1,808, tagged as anadj, pronounced \kɔ̃.plɛks\.
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 46748, this pair ranks #192,431 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.
Frequency comparison
Frequently Asked Questions
Can "complex" and "complexe" be used interchangeably?
Remembering complex vs complexe
The fastest way to pick the right one every time.
- Check the role first: if you need a noun, it's “complex”; for an adjective, it's “complexe”.
- See each word in full, definition, IPA, etymology and its other confusables. Full “complex” entry
- Browse more pairs most likely to be confused. Most confusable