i.e.
/ˌaɪˈiː/
"i-e" is a 2-letter English headword indexed on PlainSpell.
The verdict
“i.e.” 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
- 4
- letters
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - That is, namely, in other words, that is to say.
| Property | Value |
|---|---|
| Headword | i.e. |
| Language | English |
| Part of speech | Adverb |
| IPA | /ˌaɪˈiː/ |
| Letters | 4 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “i.e.” sits in English frequency
Spelling & Dictionary Insight
The English entry for i.e. is 4 letters long, classified as an adverb, and transcribed in the International Phonetic Alphabet as /ˌaɪˈiː/. 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: "That is, namely, in other words, that is to say.".
We couldn't generate a plausible misspelling set for i.e., a straightforward case of a spelling with little room for common typos. No confusable counterpart is on file for this word, a sign it's visually distinctive enough not to be mixed up with another word.
Etymologically, the entry records: From Latin i. e., an abbreviation of id est (“that is”). The correct English form is i.e., spelled I-.-E-..
Definition
- 1That is, namely, in other words, that is to say.
Etymology
From Latin i. e., an abbreviation of id est (“that is”).
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 “i.e.”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is I-.-E-. - every other letter order is a misspelling in standard orthography.
- Say it as /ˌaɪˈiː/ (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.