adoptif vs adoption, What's the Difference?

Which to use

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

#28,816
“adoptif” frequency rank: #3,892
“adoption” frequency rank: 32708
confusion score

Side-by-Side Comparison

Feature	adoptif	adoption
Definition	Qui a été adopté.	Action d’adopter.

Where the spellings diverge

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

7 ch

adoptif

8 ch

adoption

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: adoptif is \a.dɔp.tif\ while adoption is \a.dɔp.sjɔ̃\. 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 (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 32708, derived from the frequency rank of both members and their visual similarity.

adoptif is recorded at frequency rank #28,816, classified as anadj, pronounced \a.dɔp.tif\. adoption is at rank #3,892, tagged as anoun, pronounced \a.dɔp.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 32708, this pair ranks #295,463 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of adoptif vs adoption

Shared letters: adiopt. Private to "adoptif": f. Private to "adoption": n.

"adoptif" · 7 letters · shape VCVCCVC · "adoption" · 8 letters · shape VCVCCVVC

Known mistypes of this pair

adoptif ← addoptif · adopitf · adopptif · adoptfi · adoptiff · adopttif · adotpif · adpotif
adoption ← addoption · adopiton · adopption · adoptino · adoptionn · adoptoin · adopttion · adotpion

Frequency comparison

adoptif#28,816

adoption#3,892

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "adoptif" and "adoption" be used interchangeably?

No - they are not even the same part of speech. "adoptif" is an adjective and "adoption" a noun, so a sentence built for one is usually ungrammatical with the other.

Which is more common, "adoptif" or "adoption"?

"adoption" is the more common of the two: it sits at frequency rank #3,892 in our French list, against #28,816 for "adoptif". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Remembering adoptif vs adoption

The fastest way to pick the right one every time.

Check the role first: if you need an adjective, it's “adoptif”; for a noun, it's “adoption”.
See each word in full, definition, IPA, etymology and its other confusables. Full “adoptif” entry
Browse more pairs most likely to be confused. Most confusable