ratfink

/ˈɹætfɪŋk/

//ˈɹætfɪŋk// noun

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

The verdict

“ratfink” is outside the top-ranked English vocabulary, used as a noun - the kind of word writers most often double-check.

Unranked
below top-frequency English
7
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - An informer or spy; a traitor.

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

Where “ratfink” sits in English frequency

ratfink falls outside the top-100,000 ranked English words, the long-tail zone of technical, archaic, or low-frequency vocabulary, exactly where readers second-guess spellings most.

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

Spelling & Dictionary Insight

The English entry for ratfink is 7 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as /ˈɹætfɪŋk/. It sits outside the most-frequent rank tiers, which is often why uncommon words generate more spelling variants per reader. Wiktionary records 3 distinct senses for this headword, so context determines which meaning a reader should apply.

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.

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.

Using “ratfink”

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

  • The one correct English spelling is R-A-T-F-I-N-K - every other letter order is a misspelling in standard orthography.
  • Say it as /ˈɹætfɪŋk/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • 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