ruevsRuhrWhat's the difference?

Quick tell: rue is a noun, Ruhr is a name, so they fill different roles in a sentence.

Which to use

“rue” is a noun and “Ruhr” is a name - they look or sound alike but fill different roles in a sentence.

#13,801
“rue” frequency rank
#47,879
“Ruhr” frequency rank
61680
confusion score

Side-by-Side Comparison

Feature rue Ruhr
Definition Sorrow; repentance; regret. A river in North Rhine-Westphalia, a branch of the river Rhine and its basin.

Where the eye mixes rue and Ruhr

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

3 ch
rue
4 ch
Ruhr

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: rue is /ɹuː/ while Ruhr is /ɹʊɚ/. 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 name), which is usually the fastest check. Our composite confusion score for this pair is 61680, derived from the frequency rank of both members and their visual similarity.

rue is recorded at frequency rank #13,801, classified as anoun, pronounced /ɹuː/. Ruhr is at rank #47,879, tagged as aname, pronounced /ɹʊɚ/.

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 61680, this pair ranks #92,822 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of rue vs Ruhr

Shared letters: ru. Private to "rue": e. Private to "Ruhr": h.

"rue" · 3 letters · shape CVV  ·  "Ruhr" · 4 letters · shape CVCC

Known mistypes of this pair

  • Ruhrrhur · rruhr · ruhhr · ruhrr · rurh · urhr

Frequently Asked Questions

Can "rue" and "Ruhr" be used interchangeably?
No - they are not even the same part of speech. "rue" is a noun and "Ruhr" a name, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "rue" or "Ruhr"?
"rue" is the more common of the two: it sits at frequency rank #13,801 in our English list, against #47,879 for "Ruhr". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

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

Source: FrequencyWords open word-frequency list