Similarity of adj onomatopoeic

2 senses of onomatopoeic

Sense 1
onomatopoeic, onomatopoetic -- (of or relating to or characterized by onomatopoeia)

Sense 2
echoic (vs. nonechoic), imitative, onomatopoeic, onomatopoeical, onomatopoetic -- ((of words) formed in imitation of a natural sound; "onomatopoeic words are imitative of noises"; "it was independently developed in more than one place as an onomatopoetic term"- Harry Hoijer)