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：magnet-, magneto-

【来源及含义】Greek: Magnesian [stone]; Magnesia having been a mineral-rich region of Thessaly

【同源单词】aeromagnetics, biomagnetism, diamagnetic, diamagnetism, diffusion tensor imaging, diffusion weighted imaging

词根词缀：therap-, -therapeutic[s], -therapeutically, -therapy, -therapies, -therapist

【来源及含义】Greek: heal, cure; treatment; service done to the sick, [a waiting on]

【同源单词】actinotherapy, actinotherapy, aerohydrotherapy, aeroionotherapy, aeropiesotherapy, aerotherapy