onomatopoeia (edit) - the word should have been something akin to soundsalotlikea but no one consulted me.

noun

1. The formation or use of words such as buzz or murmur that imitate the sounds associated with the objects or actions they refer to.
2. The property of a word of sounding like what it represents.
3. A word that sounds like what it represents, such as “gurgle” or “hiss”.