1) Animal communication 
Echomimetic is a synonym for onomatopoeia and describes the imitation of a sound through words. The two synonyms differ in etymology. Echomimetic is derived from the Greek word, `ηχώ` echo, meaning `sound`; and from `μιμητικό`, meaning `mimetic` or `imitation`, while Onomatopoeia comes from the Greek ὀνοματοποιία:...