rue

/ɹuː/

//ɹuː// noun

"rue" is a 3-letter English headword indexed on PlainSpell.

The verdict

“rue” is a moderately-common English word, ranked #13,801 in English word frequency and used as a noun.

#13,801
frequency rank, English
3
letters
20
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Sorrow; repentance; regret.

Visual similarity to commonly confused words

How many letter changes separate each confused pair (Levenshtein distance, normalized).

rue vs RV
0% similar
rue vs RW
0% similar
rue vs run
67% similar

Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).

Key facts for rue
PropertyValue
Headwordrue
LanguageEnglish
Part of speechNoun
IPA/ɹuː/
Letters3
Frequency rank#13,801
Misspellings tracked0
Confusable pairs20
SourceWiktionary (kaikki.org)

Where “rue” sits in English frequency

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right). rue lands here:

#1#100#1K#10K#100K
← used constantlyrarely used →

Scale is logarithmic (each tick is 10× rarer). Source: FrequencyWords open word-frequency list.

Spelling & Dictionary Insight

The English entry for rue is 3 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as /ɹuː/. Corpus data places it at rank #13,801 in overall English word frequency, marking it as uncommon enough that many writers pause before typing it. Wiktionary records 2 distinct senses for this headword, so context determines which meaning a reader should apply.

We couldn't generate a plausible misspelling set for rue, a straightforward case of a spelling with little room for common typos. It also participates in 20 confusable-pair relationships, "RV", "RW", "run", and more, since the words sound or look close enough that writers reach for the wrong one mid-sentence.

Etymologically, the entry records: From Middle English rewe, reowe, from Old English hrēow (“sorrow, regret, penitence, repentance, penance”), from Proto-West Germanic *hreuwu (“pain, sadness, regret, repentance”). Cognates include German reuen (“to regret, to repent”) and Dutch rouwen (“to … The correct English form is rue, spelled R-U-E.

Definition

  1. 1
    Sorrow; repentance; regret.
  2. 2
    Pity; compassion.

Etymology

From Middle English rewe, reowe, from Old English hrēow (“sorrow, regret, penitence, repentance, penance”), from Proto-West Germanic *hreuwu (“pain, sadness, regret, repentance”). Cognates include German reuen (“to regret, to repent”) and Dutch rouwen (“to mourn, to grieve”). Probably ultimately from Proto-Indo-European *krows-. If so, note the same sense evolution with in this case cognate Russian круши́ть (krušítʹ, “to destroy, to shatter”), Russian сокруша́ться (sokrušátʹsja, “to be distressed, to grieve (for, over)”). Also compare Czech truchlit from Proto-Slavic *truxlъ.

This word in other languages

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA); frequency ordering uses the FrequencyWords open word-frequency list (2018 English corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "rue"?
"rue" is spelled R-U-E. The IPA pronunciation is /ɹuː/.
What does "rue" mean?
As a noun, "rue" means: Sorrow; repentance; regret.
What words are commonly confused with "rue"?
"rue" is commonly confused with "RV", "RW", "run". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "rue"?
The IPA (International Phonetic Alphabet) transcription for "rue" is /ɹuː/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What is the origin of the word "rue"?
From Middle English rewe, reowe, from Old English hrēow (“sorrow, regret, penitence, repentance, penance”), from Proto-West Germanic *hreuwu (“pain, sadness, regret, repentance”). Cognates include German reuen (“to regret, to repent”) and Dutch ro... See the full etymology section above for more details.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Using “rue”

The practical upshot for anyone who landed here from a spell-check.

  • The one correct English spelling is R-U-E - every other letter order is a misspelling in standard orthography.
  • Say it as /ɹuː/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Don't mix it up with “RV” - see the side-by-side comparison. rue vs RV
  • Browse more English words and confusable pairs in the same reference. English words
Data Source

Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.

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

Source: FrequencyWords open word-frequency list FrequencyWords open word-frequency list