déclinvsdéclinerWhat's the difference?

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

Which to use

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

#6,951
“déclin” frequency rank
#18,724
“décliner” frequency rank
25675
confusion score

Side-by-Side Comparison

Feature déclin décliner
Definition État d’une chose qui penche vers sa fin, qui arrive au terme de son cours, qui perd de sa force, de son éclat. Pencher vers sa fin ; s’affaiblir, en parlant des choses.

Where the spellings diverge

Shared letters are muted; the letters that actually set déclin and décliner apart are highlighted. They share 6 letters in sequence, which is exactly why the eye skips the difference.

6 ch
déclin
8 ch
décliner

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: déclin is \de.klɛ̃\ while décliner is \de.kli.ne\. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 extra letter(s) - “déclin” sits inside “décliner”, and the parts of speech differ too (noun vs verb), which is usually the fastest check. Our composite confusion score for this pair is 25675, derived from the frequency rank of both members and their visual similarity.

déclin is recorded at frequency rank #6,951, classified as anoun, pronounced \de.klɛ̃\. décliner is at rank #18,724, tagged as averb, pronounced \de.kli.ne\.

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 25675, this pair ranks #339,495 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of déclin vs décliner

Shared letters: cdilné. Private to "déclin": -. Private to "décliner": er.

"déclin" · 6 letters · shape CVCCVC  ·  "décliner" · 8 letters · shape CVCCVCVC

Frequency comparison

déclin#6,951
décliner#18,724

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "déclin" and "décliner" be used interchangeably?
No - they are not even the same part of speech. "déclin" is a noun and "décliner" a verb, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "déclin" or "décliner"?
"déclin" is the more common of the two: it sits at frequency rank #6,951 in our French list, against #18,724 for "décliner". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Remembering déclin vs décliner

The fastest way to pick the right one every time.

  • Check the role first: if you need a noun, it's “déclin”; for a verb, it's “décliner”.
  • See each word in full, definition, IPA, etymology and its other confusables. Full “déclin” 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 FrequencyWords open word-frequency list