rain cats and dogs

verb

"rain-cats-and-dogs" is a 15-letter English headword indexed on PlainSpell.

The verdict

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

Unranked
below top-frequency English
18
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - To rain very heavily.

Key facts for rain cats and dogs
PropertyValue
Headwordrain cats and dogs
LanguageEnglish
Part of speechVerb
Letters18
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “rain cats and dogs” sits in English frequency

rain cats and dogs 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.

Rare enough to double-check

rain cats and dogs is uncommon English outside the top frequency list, classed as averb. Rarity is why readers land here mid-draft. Gloss: "To rain very heavily.".

No misspelling variants are generated for rain cats and dogs in our index, a sign its spelling follows regular English conventions. Our dataset records no confusable match here, suggesting its spelling stands apart enough that readers rarely confuse it with something else.

Etymologically, the entry records: Unknown, but see examples of early use in Citations. The correct English form is rain cats and dogs, spelled R-A-I-N- -C-A-T-S- -A-N-D- -D-O-G-S.

Definition

  1. 1
    To rain very heavily.

Etymology

Unknown, but see examples of early use in Citations.

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). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "rain cats and dogs"?
"rain cats and dogs" is spelled R-A-I-N- -C-A-T-S- -A-N-D- -D-O-G-S.
What does "rain cats and dogs" mean?
As a verb, "rain cats and dogs" means: To rain very heavily.
What is the origin of the word "rain cats and dogs"?
Unknown, but see examples of early use in Citations. 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 “rain cats and dogs”

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

  • The one correct English spelling is R-A-I-N- -C-A-T-S- -A-N-D- -D-O-G-S - every other letter order is a misspelling in standard orthography.
  • 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