echoes

imitation parallel reflection repetition reverberation

answer mirror onomatopoeia parroting rebound reiteration repercussion reply reproduction ringing

mirror image rubber stamp

difference opposite reverse

question

mirror parallel recall reflect reiterate resound respond reverberate ring

ape ditto imitate impersonate mimic parrot react redouble reproduce resemble second vibrate

do like go like make like rubber-stamp

be original differ oppose reverse