词根词缀：acous-, acou-, acouo-, acoustico-, acouto-, acousti-, -acousia, -acousis, -acoustical, acu-, -acusis-, -acusia

【来源及含义】Greek: akoustikos, to hear, hearing; to listen, listening

【相关词根词缀】 Related "hear, hearing; listen, listening" units: audio-; ausculto-.

【同源单词】acouasm, acoubuoy, acouesthesia, acoumeter, acouophone, acouophonia

词根词缀：ento-, ent-

【来源及含义】Greek: within, inside, inner; used as a prefix [used in many words related to anatomy and biology]

【相关词根词缀】Cross references of word families related directly, or indirectly, to: "internal organs, entrails, inside": enter-; fistul-; incret-; inter-; intra-; splanchn-; viscer-.

【同源单词】entacoustic, entoblast, entochondral, entocnemial, entocoel, entocondyloid