ruvsruthTell them apart

Which to use

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

#16,467
“ru” frequency rank
#12,858
“ruth” frequency rank
29325
confusion score

Side-by-Side Comparison

Feature ru ruth
Definition Petit ruisseau. Pitié.

Where the eye mixes ru and ruth

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

2 ch
ru
4 ch
ruth

Look-alike desk: ru vs ruth

A purely visual mix-up. ru (\ʁy\) and ruth (\ɹuːθ\) 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 2 extra letter(s) - “ru” sits inside “ruth”. Our composite confusion score for this pair is 29325, derived from the frequency rank of both members and their visual similarity.

ru is recorded at frequency rank #16,467, classified as anoun, pronounced \ʁy\. ruth is at rank #12,858, tagged as anoun, pronounced \ɹuːθ\.

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 29325, this pair ranks #317,377 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of ru vs ruth

Shared letters: ru. Private to "ru": -. Private to "ruth": ht.

"ru" · 2 letters · shape CV  ·  "ruth" · 4 letters · shape CVCC

Known mistypes of this pair

  • ruthrruth · rtuh · ruht · ruthh · rutth · urth

Frequently Asked Questions

Is swapping "ru" for "ruth" ever safe?
No. They are said differently (\ʁy\ versus \ɹuːθ\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "ru" or "ruth"?
"ruth" is the more common of the two: it sits at frequency rank #12,858 in our French list, against #16,467 for "ru". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

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

  • Full dictionary entry for "ru" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "ruth" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #317,377 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "ru" and "ruth" also get mixed up with nearby pairs, the highest-scored neighbour is "rog vs ru". Nearby pair
  • Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes

Confusion rank #317,377 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