aitch
/ˈeɪt͡ʃ/
"aitch" is a 5-letter English headword indexed on PlainSpell.
The verdict
“aitch” 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
- 5
- letters
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - The name of the Latin script letter H/h.
| Property | Value |
|---|---|
| Headword | aitch |
| Language | English |
| Part of speech | Noun |
| IPA | /ˈeɪt͡ʃ/ |
| Letters | 5 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “aitch” sits in English frequency
Spelling & Dictionary Insight
The English entry for aitch is 5 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as /ˈeɪt͡ʃ/. 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: "The name of the Latin script letter H/h.".
aitch doesn't appear in our generated misspelling index, since its letter sequence doesn't invite the usual edit-distance slips. It is not paired with a close-neighbour confusable in our dataset, a sign it's visually distinctive enough not to be mixed up with another word.
Etymologically, the entry records: From Middle English ache, borrowed from Old French ache, from Vulgar Latin *acca. The source is unclear, but may descend from the vowelless alphabetic sequence ha ka 'H, K' (becoming [aka] when the [h] ceased to be pronounced), as K had low frequency in Lat… The correct English form is aitch, spelled A-I-T-C-H.
Definition
- 1The name of the Latin script letter H/h.
Etymology
From Middle English ache, borrowed from Old French ache, from Vulgar Latin *acca. The source is unclear, but may descend from the vowelless alphabetic sequence ha ka 'H, K' (becoming [aka] when the [h] ceased to be pronounced), as K had low frequency in Late Latin. Doublet of ecchi.
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 “aitch”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is A-I-T-C-H - every other letter order is a misspelling in standard orthography.
- Say it as /ˈeɪt͡ʃ/ (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.