sourdough

Spelling & Dictionary Insight

The English entry for sourdough is 9 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as /ˈsaʊɚˌdoʊ/. Corpus data places it at rank #38,172 in overall English word frequency, marking it as uncommon enough that many writers pause before typing it. Wiktionary records 5 distinct senses for this headword, so context determines which meaning a reader should apply.

Our generated misspelling index lists 13 likely wrong-spelling variants for sourdough, with forms such as "osurdough", "sorudough", and "soudrough". 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 Middle English sour dogh, equivalent to sour + dough, compare German Sauerteig and Dutch zuurdeeg. The senses pertaining to California, Alaska and the Yukon derive from the distinctive pouches of bread starter (starter dough used to make sourdough) wor… 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 sourdough, spelled S-O-U-R-D-O-U-G-H, and any other sequence of those letters, regardless of how natural it feels, is a misspelling in standard orthography.