Onomatopoeia

A word whose sound imitates the actual sound to which it refers, such as pop, sizzle, and crash.

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Example:

The rusty spigot

sputters,

utters

a splutter,

spatters a smattering of drops,

gashes wider;

slash

splatters

scatters

spurts

finally stops sputtering

and plash!

gushes rushes splashes

clear water dashes.