Which to use
“filament” is a noun and “filmant” is a verb - they look or sound alike but fill different roles in a sentence.
- #40,271
- “filament” frequency rank
- #46,764
- “filmant” frequency rank
- 87035
- confusion score
Side-by-Side Comparison
| Feature | filament | filmant |
|---|---|---|
| Definition | Petit fil, petit brin long et délié, semblable à celui qui se tire de l’écorce du chanvre ou du lin. | Participe présent de filmer. |
Where the eye mixes filament and filmant
Muted = shared; highlighted = the visual trap. They share 6 letters in sequence. filament runs 8 letters (CVCVCVCC) against filmant's 7 (CVCCVCC) - the length gap alone is often enough to separate them once you know to check it.
Why the eye confuses filament with filmant
These two trip readers on the page rather than in the ear: filament is \fi.la.mɑ̃\ while filmant is \fil.mɑ̃\. 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 87035, derived from the frequency rank of both members and their visual similarity.
filament is recorded at frequency rank #40,271, classified as anoun, pronounced \fi.la.mɑ̃\. filmant is at rank #46,764, tagged as averb, pronounced \fil.mɑ̃\.
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 87035, this pair ranks #8,856 of 440,172 scored French confusable pairs - among the most confusable pairs.
Orthographic DNA of filament vs filmant
Shared letters: afilmnt. Private to "filament": e. Private to "filmant": -.
"filament" · 8 letters · shape CVCVCVCC · "filmant" · 7 letters · shape CVCCVCC
Known mistypes of this pair
Frequently Asked Questions
Is swapping "filament" for "filmant" ever safe?
In ordinary French text, does "filament" or "filmant" show up more?
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 "filament" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "filmant" - compare definitions side by side with the headword page. Word entry
- This pair ranks #8,856 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "filament" and "filmant" also get mixed up with nearby pairs, the highest-scored neighbour is "filmait vs filmant". 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 #8,856 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.