signup

Spelling & Dictionary Insight

The English entry for signup is 6 letters long, classified as anoun. Corpus data places it at rank #26,963 in overall English word frequency, marking it as uncommon enough that many writers pause before typing it.The dominant gloss from Wiktionary reads: "Alternative spelling of sign-up.".

Our Hunspell-derived misspelling index lists 9 documented wrong-spelling variants for signup, with forms such as "isgnup", "sginup", and "siggnup". 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 also participates in 8 confusable-pair relationships, "sinus", "sign", "signs", and more, where similar look or sound leads writers to substitute one word for another in context.

Etymologically, the entry records: Deverbal from sign up. 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 signup, spelled S-I-G-N-U-P, and any other sequence of those letters, regardless of how natural it feels, is a misspelling in standard orthography.