how come

/haʊ kʌm/

//haʊ kʌm// adv

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

The verdict

“how come” is uncommon English (outside the top frequency list), classed as an adverb. The kind of spelling people second-guess.

Unranked
below top-frequency English
8
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Why; why is it; for what reason or purpose; due to what cause?

Corpus desk

Index EN-how-come · how come · English

how come · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-LONG 8 letters
  • VOW-3 3 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "H" 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 how come
PropertyValue
Headwordhow come
LanguageEnglish
Part of speechAdverb
IPA/haʊ kʌm/
Letters8
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “how come” in English

how comeranks 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

how come is uncommon English outside the top frequency list, classed as anadverb, transcribed /haʊ kʌm/. Rarity is why readers land here mid-draft. Gloss: "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?

Recorded use

Wiktionary examples

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

  1. How come you didn’t leave when you had the chance?
  2. "Oh, yeah? The old days? Is that when you got your tattoo?" "Yeah. I'm an alcoholic. Used to get in a lot of trouble. Been sober for eight years." "Then how come everyone's scared of you?"

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.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list