Onomatopoeia

(n.) The formation of words in imitation of sounds; a figure of speech in which the sound of a word is imitative of the sound of the thing which the word represents; as, the buzz of bees; the hiss of a goose; the crackle of fire.

Thesaurus Entries

bowwow theory, copying, counterfeiting, echoic word, emulation, fakery, following, forgery, hit-off, imitation, impersonation, imposture, impression, mimesis, mirroring, onomatope, onomatopoeic word, parody, plagiarism, plagiary, repetition, simulation, takeoff