coefficient

Spelling & Dictionary Insight

The English entry for coefficient is 11 letters long, classified as an adjective, and transcribed in the International Phonetic Alphabet as [ˌkəʊ.ɪˈfɪʃn̩t]. Corpus data places it at rank #17,322 in overall English word frequency, marking it as uncommon enough that many writers pause before typing it. The dominant gloss from Wiktionary reads: "Cooperating.".

Our generated misspelling index lists 14 likely wrong-spelling variants for coefficient, with forms such as "ccoefficient", "ceofficient", and "coeffciient". Each variant is a distinct typo pattern an edit-distance generator flags, typically a doubled-consonant error, a silent-letter drop, or a vowel substitution. 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.

Etymologically, the entry records: From French coefficient. Coined by French mathematician François Viète. Or influenced by (New) Latin coefficient-, which is the stem of coefficiens, which is a substantivation of the present active participle of coefficio, which comes from co- and efficio. 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 coefficient, spelled C-O-E-F-F-I-C-I-E-N-T, and any other sequence of those letters, regardless of how natural it feels, is a misspelling in standard orthography.