What is onamaterpia?

Answer 1

That word is a noun, meaning the usage of words like "moo" or "quack" that imitate the sounds linked to the actions or objects they are referring to.

Answer 2

Onomatopoeia is a figure of speech in which the words imitate the sound they represent. For example, "buzz" imitates the sound of a bee, or "hiss" imitates the sound of a snake. Onomatopoeia is commonly used in literature and poetry to create vivid imagery.