词根词缀：-atic

【来源及含义】Greek > Latin: a suffix; pertaining to; of the nature of

【同源单词】acousmatic, aerobatic, aquatic plant, enneatic, erratic, fanatic

词根词缀：ennea-, enne-

【来源及含义】Greek: nine

【同源单词】enneacotahedron, ennead, enneaeteric, enneagon, enneagynous, enneahedron