fat

Spelling & Dictionary Insight

The English entry for fat is 3 letters long, classified as anadj, and transcribed in the International Phonetic Alphabet as /ˈfæt/. Corpus data places it at rank #1,482 in overall English word frequency, indicating it appears regularly in written and spoken text.Wiktionary records 16 distinct senses for this headword, so context determines which meaning a reader should apply.

No frequent misspelling variants are recorded for fat in our index, suggesting the orthography either follows predictable English patterns or the word is uncommon enough that typo corpora lack signal.It also participates in 20 confusable-pair relationships, "fi", "FL", "FM", and more, where similar look or sound leads writers to substitute one word for another in context.

Etymologically, the entry records: From Middle English fat, from Old English fǣtt (“fatted, fat”), from Proto-West Germanic *faitid (“fatted”), originally the past participle of the verb *faitijan (“to make fat”), from *fait (“fat”). Root origin matters for spelling because borrowed morphemes (Greek, Latin, Old French, Old English) carry their source-language orthographic conventions into modern English, which is why historical etymology is often the cleanest predictor of whether a cluster like "-ough", "-eau", or "-tion" will appear. For readers arriving here from a spelling check, the authoritative guidance is: the correct English form is fat, spelled F-A-T, and any other sequence of those letters, regardless of how natural it feels, is a misspelling in standard orthography.