rachisvsravisWhat's the difference?

Quick tell: rachis is a noun, ravis is an adjective, so they fill different roles in a sentence.

Which to use

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

#49,307
“rachis” frequency rank
#12,654
“ravis” frequency rank
61961
confusion score

Side-by-Side Comparison

Feature rachis ravis
Definition Empilement de 33 ou 34 vertèbres, qui forment le support du dos des vertébrés et sur certaines desquelles sont fixées les côtes. Masculin pluriel de ravi.

Where the spellings diverge

Shared letters are muted; the letters that actually set rachis and ravis apart are highlighted. They share 4 letters in sequence, which is exactly why the eye skips the difference.

6 ch
rachis
5 ch
ravis

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: rachis is \ʁa.ʃis\ while ravis is \ʁa.vi\. 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 (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 61961, derived from the frequency rank of both members and their visual similarity.

rachis is recorded at frequency rank #49,307, classified as anoun, pronounced \ʁa.ʃis\. ravis is at rank #12,654, tagged as anadj, pronounced \ʁa.vi\.

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 61961, this pair ranks #89,554 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of rachis vs ravis

Shared letters: airs. Private to "rachis": ch. Private to "ravis": v.

"rachis" · 6 letters · shape CVCCVC  ·  "ravis" · 5 letters · shape CVCVC

Known mistypes of this pair

  • rachisarchis · racchis · rachhis · rachiss · rachsi · racihs · rahcis · rcahis
  • ravisarvis · raivs · raviss · ravsi · ravvis · rravis

Frequency comparison

rachis#49,307
ravis#12,654

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "rachis" and "ravis" be used interchangeably?
No - they are not even the same part of speech. "rachis" is a noun and "ravis" an adjective, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "rachis" or "ravis"?
"ravis" is the more common of the two: it sits at frequency rank #12,654 in our French list, against #49,307 for "rachis". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Remembering rachis vs ravis

The fastest way to pick the right one every time.

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