killer whale

noun

"killer-whale" is a 11-letter English headword indexed on PlainSpell.

The verdict

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

Unranked
below top-frequency English
12
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A sea mammal related to dolphins and porpoises (Orcinus orca).

Corpus desk

Index EN-killer-whale · killer whale · English

killer whale · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MEGA 12 letters
  • VOW-4 4 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "K" 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 killer whale
PropertyValue
Headwordkiller whale
LanguageEnglish
Part of speechNoun
Letters12
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “killer whale” in English

killer whaleranks 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

killer whale is uncommon English outside the top frequency list, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "A sea mammal related to dolphins and porpoises (Orcinus orca).".

Zero misspellings are on record for killer whale in our index, and the word's spelling is regular enough that our generator found nothing worth flagging. Our confusable-pair dataset has no match for it, since no other headword is close enough in sound or shape to pair with it.

Etymologically, the entry records: Calque or mistranslation of Spanish asesina-ballenas (“whale killer”), referring to their tendency to hunt whales. The correct English form is killer whale, spelled K-I-L-L-E-R- -W-H-A-L-E.

Definition

  1. 1
    A sea mammal related to dolphins and porpoises (Orcinus orca).

Recorded use

Wiktionary examples

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

  1. Of this whale, little is known to the Nantucketer, and nothing at all to the professed naturalist. From what I have seen of him at a distance, I should say that he was about the bigness of a grampus. He is very savage - a sort of Feegee fish. He sometimes takes the great Folio whales by the lip and hangs there like a leech until the mighty brute is worrie…
  2. Once or twice, too, I saw the killer-whale (Orca gladiator), the little species so readily known by its prominent back-fin.

Etymology

Calque or mistranslation of Spanish asesina-ballenas (“whale killer”), referring to their tendency to hunt whales.

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 "killer whale"?
"killer whale" is spelled K-I-L-L-E-R- -W-H-A-L-E.
What does "killer whale" mean?
As a noun, "killer whale" means: A sea mammal related to dolphins and porpoises (Orcinus orca).
What is the origin of the word "killer whale"?
Calque or mistranslation of Spanish asesina-ballenas (“whale killer”), referring to their tendency to hunt whales. 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