rotaryvsrotorWhat's the difference?

Which to use

“rotary” and “rotor” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#49,921
“rotary” frequency rank
#33,448
“rotor” frequency rank
83369
confusion score

Side-by-Side Comparison

Feature rotary rotor
Definition Type de matériel de forage rotatif. Partie rotative d’une machine, par exemple d’un moteur électrique, d’une turbine, etc.

Where the spellings diverge

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

6 ch
rotary
5 ch
rotor

Spelling & Dictionary Insight

rotary and rotor are indexed as a confusable French pair. We have no recorded pronunciation or part of speech for both members, so the spelling overlap is what we can show you: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 83369, derived from the frequency rank of both members and their visual similarity.

rotary is recorded at frequency rank #49,921, classified as anoun. rotor is at rank #33,448, tagged as anoun, pronounced \ʁɔ.tɔʁ\.

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 83369, this pair ranks #14,966 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of rotary vs rotor

Shared letters: ort. Private to "rotary": ay. Private to "rotor": -.

"rotary" · 6 letters · shape CVCVCV  ·  "rotor" · 5 letters · shape CVCVC

Known mistypes of this pair

  • rotaryortary · roatry · rotarry · rotaryy · rotayr · rotray · rottary · rrotary
  • rotorortor · rootr · rotorr · rotro · rottor · rrotor · rtoor

Frequency comparison

rotary#49,921
rotor#33,448

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "rotary" and "rotor" be used interchangeably?
No. They differ by 1 letter(s) in length, but the dictionary glosses above give them different meanings, so swapping one for the other changes what the sentence says.
Which is more common, "rotary" or "rotor"?
"rotor" is the more common of the two: it sits at frequency rank #33,448 in our French list, against #49,921 for "rotary". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Remembering rotary vs rotor

The fastest way to pick the right one every time.

  • Read both glosses above and match the meaning you intend, only context separates this pair.
  • See each word in full, definition, IPA, etymology and its other confusables. Full “rotary” 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