词根词缀：-ics, -tics [-ac after i]

【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

词根词缀：semeio-, sema-, semato-, semat-, semasio-, semio-, -semic, -semia

【来源及含义】Greek: signal, signals; sign, signs; mark, marks; symbol, symbols

【同源单词】allosematic, aposematic, asemantic, asemasia, asemia, asemic

词根词缀：zoo-, zoa-, zo-, -zoic, -zoid, -zoite, -zoal, -zonal, -zooid, -zoon, -zoa, -zoan

【来源及含义】Greek: animal, animals; living beings; life

【相关词根词缀】Related "animal" units: anima-; faun-; therio-.

【同源单词】acanthozooid, Actinozoa, actinozoa, actinozoal, actinozoan, agrizoology