ratfink

/ˈɹætfɪŋk/

//ˈɹætfɪŋk// noun

"ratfink" is a 7-letter English headword indexed on PlainSpell.

The verdict

“ratfink” is uncommon English (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.

Unranked
below top-frequency English
7
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - An informer or spy; a traitor.

Corpus desk

Index EN-ratfink · ratfink · English

ratfink · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-LONG 7 letters
  • VOW-2 2 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "R" thin
  • PHOTO-UNK Peer pending

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.

Key facts for ratfink
PropertyValue
Headwordratfink
LanguageEnglish
Part of speechNoun
IPA/ˈɹætfɪŋk/
Letters7
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “ratfink” in English

ratfinksits beyond the 100,000 most-frequent English words, in the long tail of technical, archaic, or otherwise rare vocabulary where spelling doubt tends to strike hardest.

Beyond rank #100,000. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

ratfink is uncommon English outside the top frequency list, classed as anoun, transcribed /ˈɹætfɪŋk/. Rarity is why readers land here mid-draft. 3 senses are on record.

We couldn't generate a plausible misspelling set for ratfink, which points to an orthography that plays by predictable English rules. Our confusable-pair dataset has no match for it, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.

Etymologically, the entry records: From rat + fink. The correct English form is ratfink, spelled R-A-T-F-I-N-K.

Definition

  1. 1
    An informer or spy; a traitor.
  2. 2
    A dislikable or contemptible person.
  3. 3
    A strikebreaker.

Recorded use

Wiktionary examples

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

  1. The authors have facetiously labeled the contemplated musical as 'Ratfink', after the name of its central character, James J. Ratfink. Its title is not meant in a derogatory sense.
  2. The film director accused him of being the worst kind of a rat fink (rat pack talk) for leaving a play so early.

Etymology

From rat + fink.

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "ratfink"?
"ratfink" is spelled R-A-T-F-I-N-K. The IPA pronunciation is /ˈɹætfɪŋk/.
What does "ratfink" mean?
As a noun, "ratfink" means: An informer or spy; a traitor.
How do you pronounce "ratfink"?
The IPA (International Phonetic Alphabet) transcription for "ratfink" is /ˈɹætfɪŋk/. 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 "ratfink"?
From rat + fink. 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.

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

Source: FrequencyWords open word-frequency list