combo box

[ˈkɒmbəʊ bɒks]

/[ˈkɒmbəʊ bɒks]/ noun

Detailed reference entry for the English word "combo-box", 9-letters, with pronunciation in International Phonetic Alphabet notation, etymology traced through Germanic and Romance roots where applicable, common misspelling variants catalogued from Wiktionary, and usage frequency ranked against an open word-frequency list covering the top 100,000 English words. PlainSpell covers English, Spanish, Portuguese, French, and German spelling with confusable-pair detection that highlights visually and phonetically similar words. This entry for "combo-box" includes synonyms, antonyms, homophones, and cross-language translation pointers sourced from Wiktionary via the kaikki.org extract. Whether you are verifying the correct spelling of "combo-box" for academic writing, checking homophone confusion, or exploring etymological origins, this page provides a citation-backed, free reference that requires no sign-up.

The verdict

“combo box” is outside the top-ranked English vocabulary, used as a noun - the kind of word writers most often double-check.

Unranked
below top-frequency English
9
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) — A widget that is a combination of a dropdown list or list box and a single-line textbox, allowing the user either to type a value directly into the control or choose from the list of existing options.

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Key facts for combo box
PropertyValue
Headwordcombo box
LanguageEnglish
Part of speechNoun
IPA[ˈkɒmbəʊ bɒks]
Letters9
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “combo box” sits in English frequency

combo box 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 combo box is 9 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as [ˈkɒmbəʊ bɒks]. 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: "A widget that is a combination of a dropdown list or list box and a single-line textbox, allowing the user either to type a value directly into the control or choose from the list of existing options.".

No misspelling variants are generated for combo box in our index, suggesting the orthography follows predictable English patterns. It is not paired with a close-neighbour confusable in our dataset, which tends to mean the word is visually distinctive enough to stand on its own.

No explicit etymology string is stored for this entry, so spelling patterns must be inferred from the word's phoneme-to-grapheme mapping rather than from a documented borrowing chain. For readers arriving here from a spelling check, the authoritative guidance is: the correct English form is combo box, spelled C-O-M-B-O- -B-O-X, and any other sequence of those letters, regardless of how natural it feels, is a misspelling in standard orthography.

Definition

  1. 1
    A widget that is a combination of a dropdown list or list box and a single-line textbox, allowing the user either to type a value directly into the control or choose from the list of existing options.

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.

Cite this page

Free to reuse with attribution (CC BY-SA). Copy the citation:

PlainSpell, “combo box, English word data” (May 6, 2026). Derived from Wiktionary (kaikki.org, CC BY-SA) and an open word-frequency list. https://plainspell.com/en/word/combo-box

Frequently Asked Questions

How do you spell "combo box"?
"combo box" is spelled C-O-M-B-O- -B-O-X. The IPA pronunciation is [ˈkɒmbəʊ bɒks].
What does "combo box" mean?
As a noun, "combo box" means: A widget that is a combination of a dropdown list or list box and a single-line textbox, allowing the user either to type a value directly into the control or choose from the list of existing options.
How do you pronounce "combo box"?
The IPA (International Phonetic Alphabet) transcription for "combo box" is [ˈkɒmbəʊ bɒks]. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "combo box" come from?
"combo box" is a English word. PlainSpell covers definitions, pronunciations, and spelling data across English, Spanish, Portuguese, French, and German.
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 “combo box”

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

  • The one correct English spelling is C-O-M-B-O- -B-O-X - every other letter order is a misspelling in standard orthography.
  • Say it as [ˈkɒmbəʊ bɒks] (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

Nearby English words

Other entries that begin with the letter C in our English index:

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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