probably

Spelling & Dictionary Insight

The English entry for probably is 8 letters long, classified as anadv, and transcribed in the International Phonetic Alphabet as /ˈpɹɒb.ə.bli/. Corpus data places it at rank #425 in overall English word frequency, putting it firmly in the everyday core of the language.The dominant gloss from Wiktionary reads: "In all likelihood.".

Our Hunspell-derived misspelling index lists 13 documented wrong-spelling variants for probably, with forms such as "porbably", "pprobably", and "prboably". 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 1 confusable-pair relationship, "probable", where similar look or sound leads writers to substitute one word for another in context.

Etymologically, the entry records: From Middle English probably, probabily, equivalent to probable + -ly. 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 probably, spelled P-R-O-B-A-B-L-Y, and any other sequence of those letters, regardless of how natural it feels, is a misspelling in standard orthography.