how come

/haʊ kʌm/

//haʊ kʌm// adv

"how-come" is a 7-letter English headword indexed on PlainSpell.

The verdict

“how come” is outside the top-ranked English vocabulary, used as an adverb - the kind of word writers most often double-check.

Unranked
below top-frequency English
8
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Why; why is it; for what reason or purpose; due to what cause?

Key facts for how come
PropertyValue
Headwordhow come
LanguageEnglish
Part of speechAdverb
IPA/haʊ kʌm/
Letters8
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “how come” sits in English frequency

how come 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.

Spelling & Dictionary Insight

The English entry for how come is 8 letters long, classified as an adverb, and transcribed in the International Phonetic Alphabet as /haʊ kʌm/. It sits outside the most-frequent rank tiers, which is often why uncommon words generate more spelling variants per reader. The dominant gloss from Wiktionary reads: "Why; why is it; for what reason or purpose; due to what cause?".

Zero misspellings are on record for how come in our index, since its letter sequence doesn't invite the usual edit-distance slips. This entry stands alone in our confusable dataset, since no other headword is close enough in sound or shape to pair with it.

Etymologically, the entry records: Earliest use in its modern form can also be found in The Trial of Titus Oates, referring to a trial that took place in 1685: :* 1730, F. Hargrave, A Complete Collection of State-Trials and Proceedings for High-Treason, and Other Crimes and Misdemeanours; fr… The correct English form is how come, spelled H-O-W- -C-O-M-E.

Definition

  1. 1
    Why; why is it; for what reason or purpose; due to what cause?

Etymology

Earliest use in its modern form can also be found in The Trial of Titus Oates, referring to a trial that took place in 1685: :* 1730, F. Hargrave, A Complete Collection of State-Trials and Proceedings for High-Treason, and Other Crimes and Misdemeanours; from the Reign of King Richard II. to the End of the Reign of King George I, volume 4: Mrs. A. Ireland It was on Saturday Morning, as I remember, the 3rd of August, the Saturday after St. Ignatius's Day. L. C. J. How come you remember so particularly, that it was then? In this text, it also co-occurs with forms such as "How come she to lie there?" and "How come you to remember those Days of the Month?". Compare West Frisian hoe kom (“how come”), Dutch hoe komt het (“how comes it; why”), Afrikaans hoekom (“how come; why”). According to Partridge's slang dictionary: US English, 1848, probably from older forms such as "How comes it that... ?" or "How does it come that... ?" and "How did it come to be like this?"

Synonyms

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 "how come"?
"how come" is spelled H-O-W- -C-O-M-E. The IPA pronunciation is /haʊ kʌm/.
What does "how come" mean?
As an adverb, "how come" means: Why; why is it; for what reason or purpose; due to what cause?
How do you pronounce "how come"?
The IPA (International Phonetic Alphabet) transcription for "how come" is /haʊ kʌm/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What is the origin of the word "how come"?
Earliest use in its modern form can also be found in The Trial of Titus Oates, referring to a trial that took place in 1685: :* 1730, F. Hargrave, A Complete Collection of State-Trials and Proceedings for High-Treason, and Other Crimes and Misdeme... 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 “how come”

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

  • The one correct English spelling is H-O-W- -C-O-M-E - every other letter order is a misspelling in standard orthography.
  • Say it as /haʊ kʌm/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • 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