Knap

napaus

(sound made by such a blow, knock, or slap)

napsaus

(sound made by such a blow, knock, or slap)

lohkaista

((transitive) to say (something) crisply or sharply; (intransitive) to speak crisply or sharply)

lohkoa

(to break away flakes from (a brittle material), often to form a tool with a sharp edge or point)

napauttaa

((transitive) to say (something) crisply or sharply; (intransitive) to speak crisply or sharply)