fondamentalvsfondamentauxWhat's the difference?

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

Which to use

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

#7,323
“fondamental” frequency rank
#6,702
“fondamentaux” frequency rank
14025
confusion score

Side-by-Side Comparison

Feature fondamental fondamentaux
Definition Ce qui précède le commencement, l'origine de toute chose, qui est au fondement de. Pluriel de fondamental.

Where the spellings diverge

Shared letters are muted; the letters that actually set fondamental and fondamentaux apart are highlighted. They share 10 letters in sequence, which is exactly why the eye skips the difference.

11 ch
fondamental
12 ch
fondamentaux

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: fondamental is \fɔ̃.da.mɑ̃.tal\ while fondamentaux is \fɔ̃.da.mɑ̃.to\. 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 14025, derived from the frequency rank of both members and their visual similarity.

fondamental is recorded at frequency rank #7,323, classified as anadj, pronounced \fɔ̃.da.mɑ̃.tal\. fondamentaux is at rank #6,702, tagged as anoun, pronounced \fɔ̃.da.mɑ̃.to\.

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 14025, this pair ranks #398,522 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of fondamental vs fondamentaux

Shared letters: adefmnot. Private to "fondamental": l. Private to "fondamentaux": ux.

"fondamental" · 11 letters · shape CVCCVCVCCVC  ·  "fondamentaux" · 12 letters · shape CVCCVCVCCVVC

Known mistypes of this pair

  • fondamentalffondamental · fnodamental · fodnamental · fonadmental · fondaemntal · fondamenatl · fondamenntal · fondamentall
  • fondamentauxffondamentaux · fnodamentaux · fodnamentaux · fonadmentaux · fondaemntaux · fondamenatux · fondamenntaux · fondamentauxx

Frequency comparison

fondamental#7,323
fondamentaux#6,702

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "fondamental" and "fondamentaux" be used interchangeably?
No - they are not even the same part of speech. "fondamental" is an adjective and "fondamentaux" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "fondamental" or "fondamentaux"?
"fondamentaux" is the more common of the two: it sits at frequency rank #6,702 in our French list, against #7,323 for "fondamental". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Remembering fondamental vs fondamentaux

The fastest way to pick the right one every time.

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