filiationvsfiltrationWhat's the difference?

Which to use

“filiation” and “filtration” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#13,598
“filiation” frequency rank
#24,976
“filtration” frequency rank
38574
confusion score

Side-by-Side Comparison

Feature filiation filtration
Definition Suite continue de générations, dans une même famille ; ligne directe qui descend des aïeux aux enfants, ou qui remonte des enfants aux aïeux. Action par laquelle on fait passer un liquide à travers un corps destiné à l’éclaircir, à l’épurer.

Where the spellings diverge

Shared letters are muted; the letters that actually set filiation and filtration apart are highlighted. They share 8 letters in sequence, which is exactly why the eye skips the difference.

9 ch
filiation
10 ch
filtration

Spelling & Dictionary Insight

A purely visual mix-up. filiation (\fi.lja.sjɔ̃\) and filtration (\fil.tʁa.sjɔ̃\) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 38574, derived from the frequency rank of both members and their visual similarity.

filiation is recorded at frequency rank #13,598, classified as anoun, pronounced \fi.lja.sjɔ̃\. filtration is at rank #24,976, tagged as anoun, pronounced \fil.tʁa.sjɔ̃\.

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 38574, this pair ranks #254,340 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of filiation vs filtration

Shared letters: afilnot. Private to "filiation": -. Private to "filtration": r.

"filiation" · 9 letters · shape CVCVVCVVC  ·  "filtration" · 10 letters · shape CVCCCVCVVC

Known mistypes of this pair

  • filiationffiliation · fiilation · filaition · filiaiton · filiatino · filiationn · filiatoin · filiattion
  • filtrationffiltration · filltration · filrtation · filtartion · filtraiton · filtratino · filtrationn · filtratoin

Frequency comparison

filiation#13,598
filtration#24,976

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "filiation" and "filtration" be used interchangeably?
No. They are said differently (\fi.lja.sjɔ̃\ versus \fil.tʁa.sjɔ̃\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "filiation" or "filtration"?
"filiation" is the more common of the two: it sits at frequency rank #13,598 in our French list, against #24,976 for "filtration". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Remembering filiation vs filtration

The fastest way to pick the right one every time.

  • Read both glosses above and match the meaning you intend, only context separates this pair.
  • See each word in full, definition, IPA, etymology and its other confusables. Full “filiation” entry
  • Browse more pairs most likely to be confused. Most confusable

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list