The word, spit, is in itself onomatopaeic, or imitative, if you prefer. Spew has a similar origin, and is also imitative.
canon
Imitative counterpoint
original.
Imitative products are products that are new to a company but were already established in the marketplace. Example: Sony invented the walkman, but many companies imitated it.
Imitative counterpoint
Repetitive and Imitative
imitative counterpoint
An imitative entrepreneur is someone who adopts successful concepts and idea that have been proven by innovative entrepreneurs. They essentially copy the technologies and techniques created by others.
Canon
imitative of
Not exactly. It is a word-like imitative sound.