infidèlevsinfidélitéWhat's the difference?

Quick tell: infidèle is a adjective, infidélité is a noun, so they fill different roles in a sentence.

Which to use

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

#17,163
“infidèle” frequency rank
#19,043
“infidélité” frequency rank
36206
confusion score

Side-by-Side Comparison

Feature infidèle infidélité
Definition Qui ne remplit pas ses engagements, ses devoirs, ses promesses. Manque de fidélité ; manquement à ses devoirs, en particulier conjugaux.

Where the spellings diverge

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

8 ch
infidèle
10 ch
infidélité

Spelling & Dictionary Insight

infidèle and infidélité 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 2 letter(s) in length - close enough that the eye skips over the difference, far enough that meaning fully diverges. Our composite confusion score for this pair is 36206, derived from the frequency rank of both members and their visual similarity.

infidèle is recorded at frequency rank #17,163, classified as anadj, pronounced \ɛ̃.fi.dɛl\. infidélité is at rank #19,043, tagged as anoun, pronounced \ɛ̃.fi.de.li.te\.

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 36206, this pair ranks #271,259 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Frequency comparison

infidèle#17,163
infidélité#19,043

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "infidèle" and "infidélité" be used interchangeably?
No, "infidèle" and "infidélité" have distinct meanings and cannot be swapped without changing the meaning of a sentence. Understanding the specific definition and context for each word is essential for correct usage.

Remembering infidèle vs infidélité

The fastest way to pick the right one every time.

  • Check the role first: if you need an adjective, it's “infidèle”; for a noun, it's “infidélité”.
  • See each word in full, definition, IPA, etymology and its other confusables. Full “infidèle” 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