rigvsruTell them apart

Which to use

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

#48,766
“rig” frequency rank
#16,467
“ru” frequency rank
65233
confusion score

Side-by-Side Comparison

Feature rig ru
Definition Ensemble des équipements ajoutés sur une caméra (cage, tige, moteur de point...). Petit ruisseau.

Where the eye mixes rig and ru

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.

3 ch
rig
2 ch
ru

Look-alike desk: rig vs ru

A purely visual mix-up. rig (\ʁiɡ\) and ru (\ʁy\) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 65233, derived from the frequency rank of both members and their visual similarity.

rig is recorded at frequency rank #48,766, classified as anoun, pronounced \ʁiɡ\. ru is at rank #16,467, tagged as anoun, pronounced \ʁy\.

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 65233, this pair ranks #73,247 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of rig vs ru

Shared letters: r. Private to "rig": gi. Private to "ru": u.

"rig" · 3 letters · shape CVC  ·  "ru" · 2 letters · shape CV

Frequently Asked Questions

Can "rig" and "ru" be used interchangeably?
No. They are said differently (\ʁiɡ\ versus \ʁy\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "rig" or "ru"?
"ru" is the more common of the two: it sits at frequency rank #16,467 in our French list, against #48,766 for "rig". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "rig" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "ru" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #73,247 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "rig" and "ru" also get mixed up with nearby pairs, the highest-scored neighbour is "Reis vs rig". Nearby pair

Confusion rank #73,247 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list