epilepsy

Spelling & Dictionary Insight

The English entry for epilepsy is 8 letters long, classified as anoun, and transcribed in the International Phonetic Alphabet as /ˈɛpᵻlɛpsi/. Corpus data places it at rank #15,810 in overall English word frequency, marking it as uncommon enough that many writers pause before typing it.The dominant gloss from Wiktionary reads: "A medical condition in which the sufferer experiences seizures (or convulsions) and blackouts.".

Our Hunspell-derived misspelling index lists 12 documented wrong-spelling variants for epilepsy, with forms such as "eiplepsy", "epielpsy", and "epileppsy". Each variant represents a distinct typo pattern that appears often enough in corpora to be worth flagging, 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: Since 16th century; borrowed from French épilepsie, from Latin epilēpsia, from Ancient Greek ἐπιληψίᾱ (epilēpsíā), from ἐπιλαμβάνω (epilambánō, “I seize”), from ἐπι- (epi-, “upon”) + λαμβάνω (lambánō, “I take”). Displaced native Old English fiellesēocnes (l… 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 epilepsy, spelled E-P-I-L-E-P-S-Y, and any other sequence of those letters, regardless of how natural it feels, is a misspelling in standard orthography.