词根词缀：clado-, clad-, -cladous

【来源及含义】Greek klados: shoot, young branch; branch; twig

【同源单词】acanthocladous, clade, cladistics, cladocarpous, cladodont, cladogenesis

词根词缀：-ics

【来源及含义】Greek: a suffix that forms nouns and is usually used to form names of arts and sciences

【同源单词】acoustics, acoustoelectronics, acousto-optic, actinogenics, actinotherapeutics, actinotherapy