ruff

/ɹʌf/

//ɹʌf// noun

By · According to Wiktionary data (CC BY-SA) ·

"ruff" is a 4-letter English headword indexed on PlainSpell.

The verdict

“ruff” sits in 20 confusable pairs (corpus #27,272) as a noun. The look-alike neighbours are the real trap.

#27,272
frequency rank, English
3,094
“R” headwords
4
tracked misspellings
20
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A circular frill or ruffle on a garment, especially a starched, fluted frill at the neck in Elizabethan and Jacobean England (1560s–1620s).

Corpus desk

Index EN-ruff · ruff · English

ruff · rank #27,272 · 4 variants · 20 confusables

  • FREQ-MID #27,272
  • LEN-MID 4 letters
  • VOW-1 1 vowel
  • CONFUS-HIGH 20 pairs
  • VAR-LOW 4 variants
  • BOOK-MID 3,094
  • PHOTO-FINISH rump

Nearest frequency peer: rump (+1 rank slots)

Read with this headword: Spelling guide for this pattern

Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.

Frequency neighbours of confusable “ruff”

Peers at similar corpus weight, separate from look-alike pairs below

corpus weight

What this shows Bars place “ruff” against nearest ranked English headwords, not a reprint of the confusable-pair desk.

Source FrequencyWords open word-frequency list As of September 3, 2026

Visual similarity to commonly confused words

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

ruff vs run
50% similar
ruff vs rug
50% similar
ruff vs rum
50% similar

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

Key facts for ruff
PropertyValue
Headwordruff
LanguageEnglish
Part of speechNoun
IPA/ɹʌf/
Letters4
Frequency rank#27,272
Misspellings tracked4
Confusable pairs20
SourceWiktionary (kaikki.org)

Corpus rank beside confusables of “ruff”

Word frequency stretches from the small set of words we reach for constantly (left) out to the long tail barely used once in a while (right).rufflands here:

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

Scale is logarithmic (each tick is 10× rarer). Same rarity band neighbours include “rump” (#27,273), “retracted” (#27,270), “Santander” (#27,275). Among 3,094 “R” headwords, “ruff” is #27,272. Source: FrequencyWords open word-frequency list.

Easy to mix with look-alikes

The spelling risk for ruff is neighbouring look-alikes ("run", "rug", …), not just typos; it is anoun pronounced /ɹʌf/. Frequency #27,272 among 3,094 “R” headwords. 8 recorded senses keep meaning in play.

Our generated misspelling index lists 4 likely wrong-spelling variants for ruff, with forms such as "rfuf", "rruff", and "ruf". Each variant is a distinct typo pattern an edit-distance generator flags, typically a doubled-consonant error, a silent-letter drop, or a vowel substitution. It also participates in 20 confusable-pair relationships, "run", "rug", "rum", and more, a pairing that trips writers up because the two words share enough sound or shape to blur together.

Etymologically, the entry records: Clipping of ruffle, or possibly from rough. The correct English form is ruff, spelled R-U-F-F.

Definition

  1. 1
    A circular frill or ruffle on a garment, especially a starched, fluted frill at the neck in Elizabethan and Jacobean England (1560s–1620s).
  2. 2
    Anything formed with plaits or flutings like a frill.
  3. 3
    Senses relating to animals.
  4. 4
    Senses relating to animals.
  5. 5
    Senses relating to animals.
  6. 6
    A collar on a shaft or other piece to prevent endwise motion.
  7. 7
    An exhibition of haughtiness or pride.
  8. 8
    Tumultuous or wanton conduct or procedure.

Recorded use

Wiktionary examples

These source excerpts show how ruff appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. You a Captaine? you ſlaue, for what? for tearing a poore Whores Ruffe in a Bawdy-houſe? Hee a Captaine? hang him Rogue, hee liues vpon mouldie ſtew'd-Pruines, and dry'de Cakes.
  2. "Just look here! I am a parson now. Here is both the gown and the ruff!"

Etymology

Clipping of ruffle, or possibly from rough.

This word in other languages

combatiente(Español)fraise(Français)Halskrause(Deutsch)rufo(Português)

Common misspellings

Also misspelled as:

  • rfuf
  • rruff
  • ruf
  • urff

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of ruff - measured in single-character edits (insert, delete, or substitute a letter). Larger bars are easier to catch; one-edit slips are the sneakiest.

rfuf2rruff1ruf1urff2
Edit distance from "ruff"

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 "ruff"?
"ruff" is spelled R-U-F-F. The IPA pronunciation is /ɹʌf/.
What does "ruff" mean?
As a noun, "ruff" means: A circular frill or ruffle on a garment, especially a starched, fluted frill at the neck in Elizabethan and Jacobean England (1560s–1620s).
What words are commonly confused with "ruff"?
"ruff" is commonly confused with "run", "rug", "rum". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "ruff"?
The IPA (International Phonetic Alphabet) transcription for "ruff" is /ɹʌf/. 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 "ruff"?
Clipping of ruffle, or possibly from rough. 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.

Similar English words by spelling shape

Same letter count and similar misspelling depth for "ruff", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 4 letters (nearest by frequency rank).

rump#27,273RCMP#27,263smog#27,289morn#27,222

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

Source: FrequencyWords open word-frequency list