sperm whale

noun

"sperm-whale" is a 10-letter English headword indexed on PlainSpell.

The verdict

“sperm 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
11
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - A whale, Physeter macrocephalus, the largest of the toothed whales.

Key facts for sperm whale
PropertyValue
Headwordsperm whale
LanguageEnglish
Part of speechNoun
Letters11
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “sperm whale” sits in English frequency

sperm whale 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

sperm whale is uncommon English outside the top frequency list, classed as anoun. Rarity is why readers land here mid-draft. 2 senses are on record.

sperm whale has no tracked misspelling variants, typically a sign the spelling maps closely to how the word sounds. No close-neighbour confusable shows up for this headword in our dataset, since its spelling is unusual enough that it doesn't cluster with a lookalike.

Etymologically, the entry records: A clipping of spermaceti whale. The correct English form is sperm whale, spelled S-P-E-R-M- -W-H-A-L-E.

Definition

  1. 1
    A whale, Physeter macrocephalus, the largest of the toothed whales.
  2. 2
    Any whale in the superfamily Physeteroidea, which also includes the small whales of genus Kogia.

Etymology

A clipping of spermaceti whale.

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 "sperm whale"?
"sperm whale" is spelled S-P-E-R-M- -W-H-A-L-E.
What does "sperm whale" mean?
As a noun, "sperm whale" means: A whale, Physeter macrocephalus, the largest of the toothed whales.
What is the origin of the word "sperm whale"?
A clipping of spermaceti whale. 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 “sperm whale”

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

  • The one correct English spelling is S-P-E-R-M- -W-H-A-L-E - 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 FrequencyWords open word-frequency list