dia-
/daɪə/
"dia" is a 3-letter English headword indexed on PlainSpell.
The verdict
“dia-” is outside the top-ranked English vocabulary, used as a prefix - the kind of word writers most often double-check.
- Unranked
- below top-frequency English
- 4
- letters
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - through, across
| Property | Value |
|---|---|
| Headword | dia- |
| Language | English |
| Part of speech | Prefix |
| IPA | /daɪə/ |
| Letters | 4 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “dia-” sits in English frequency
Spelling & Dictionary Insight
The English entry for dia- is 4 letters long, classified as a prefix, and transcribed in the International Phonetic Alphabet as /daɪə/. It sits outside the most-frequent rank tiers, which is often why uncommon words generate more spelling variants per reader. Wiktionary records 2 distinct senses for this headword, so context determines which meaning a reader should apply.
Zero misspellings are on record for dia- in our index, a straightforward case of a spelling with little room for common typos. We don't track a confusable pairing for this entry, since nothing in our dataset looks or sounds close enough to cause mix-ups.
Etymologically, the entry records: From Ancient Greek prefix δια- (dia-), from διά (diá, “through, across, by, over”). The correct English form is dia-, spelled D-I-A--.
Definition
- 1through, across
- 2between
Etymology
From Ancient Greek prefix δια- (dia-), from διά (diá, “through, across, by, over”).
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
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Using “dia-”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is D-I-A-- - every other letter order is a misspelling in standard orthography.
- Say it as /daɪə/ (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.