Proto-West Germanic *frasprekan. Analyzable as ver- + sprechen. The sense “to misspeak” is a later transparent derivation (see the prefix). IPA(key): /fərˈʃprɛçən/...
kontraŭparolo (“objection”) laŭtparolilo (“a loudspeaker”) misparoli (“to misspeak”) nazparoli (“to speak nasally”) parola (“expressed by talking, spoken”)...
terms derived from speak (verb) bespeak forespeak forspeak forthspeak misspeak outspeak overspeak public speaking speakable speaker speakeasy speakworthy...