portmanteau word

noun

"portmanteau-word" is a 15-letter English headword indexed on PlainSpell.

The verdict

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

Unranked
below top-frequency English
16
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - A word which combines the meaning of two words (or, rarely, more than two words), formed by combining the words, usually, but not always, by adjoining the first part of one word and the last part o...

Key facts for portmanteau word
PropertyValue
Headwordportmanteau word
LanguageEnglish
Part of speechNoun
Letters16
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “portmanteau word” sits in English frequency

portmanteau word 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

portmanteau word is uncommon English outside the top frequency list, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "A word which combines the meaning of two words (or, rarely, more than two words), formed by combining the words, usually, but not always, by adjoining the first part of one word and the last part o...".

Zero misspellings are on record for portmanteau word in our index, since its letter pattern doesn't lend itself to common typo substitutions. We don't track a confusable pairing for this entry, which tends to mean the word is visually distinctive enough to stand on its own.

Etymologically, the entry records: First used by Lewis Carroll in 1871, based on the concept of two words packed together, like a portmanteau (“a travelling case having two halves joined by a hinge”). The correct English form is portmanteau word, spelled P-O-R-T-M-A-N-T-E-A-U- -W-O-R-D.

Definition

  1. 1
    A word which combines the meaning of two words (or, rarely, more than two words), formed by combining the words, usually, but not always, by adjoining the first part of one word and the last part of the other, the adjoining parts often having a common vowel.

Etymology

First used by Lewis Carroll in 1871, based on the concept of two words packed together, like a portmanteau (“a travelling case having two halves joined by a hinge”).

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 "portmanteau word"?
"portmanteau word" is spelled P-O-R-T-M-A-N-T-E-A-U- -W-O-R-D.
What does "portmanteau word" mean?
As a noun, "portmanteau word" means: A word which combines the meaning of two words (or, rarely, more than two words), formed by combining the words, usually, but not always, by adjoining the first part of one word and the last part o...
What is the origin of the word "portmanteau word"?
First used by Lewis Carroll in 1871, based on the concept of two words packed together, like a portmanteau (“a travelling case having two halves joined by a hinge”). 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 “portmanteau word”

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

  • The one correct English spelling is P-O-R-T-M-A-N-T-E-A-U- -W-O-R-D - 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