rat on

verb

"rat-on" is a 5-letter English headword indexed on PlainSpell.

The verdict

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

Unranked
below top-frequency English
6
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - To tattle, squeal about (someone)

Corpus desk

Index EN-rat-on · rat on · English

rat on · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-LONG 6 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 rat on
PropertyValue
Headwordrat on
LanguageEnglish
Part of speechVerb
Letters6
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “rat on” in English

rat onranks outside the top 100,000 English headwords, in the long tail of specialist, archaic, or seldom-used vocabulary, exactly the territory where a reader stops mid-sentence to double-check spelling.

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

Rare enough to double-check

rat on is uncommon English outside the top frequency list, classed as averb. Rarity is why readers land here mid-draft. Gloss: "To tattle, squeal about (someone)".

rat on has no tracked misspelling variants, since its letter sequence doesn't invite the usual edit-distance slips. Our dataset records no confusable match here, which tends to mean the word is visually distinctive enough to stand on its own.

Wiktionary doesn't record an etymology for this headword, so its spelling is easiest explained by how it's pronounced rather than where it came from. The correct English form is rat on, spelled R-A-T- -O-N.

Definition

  1. 1
    To tattle, squeal about (someone)

Recorded use

Wiktionary example

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

  1. Who you protecting, you dumb asshole? A stoolie who rats on his own friends?

Synonyms

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 "rat on"?
"rat on" is spelled R-A-T- -O-N.
What does "rat on" mean?
As a verb, "rat on" means: To tattle, squeal about (someone)
What language does "rat on" come from?
"rat on" is a English word. PlainSpell's reference spans five languages -- English, Spanish, Portuguese, French, and German -- with definitions, pronunciations, and spelling data for each.
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