词根词缀：-ity

【来源及含义】Latin: suffix used to form abstract nouns expressing act, state, quality, property, or condition corresponding to an adjective

【同源单词】abnormality, absorbability, acclivity, acerbity, acridity, acrity

词根词缀：tono-, ton-, -tonia, -tonic, -tonous, -tony (sound)

【来源及含义】Greek > Latin: sound, tone; [Greek tonos, "that which is stretched, a stretching, a straining, a pitch of the voice, a musical note"]

【同源单词】aerotonometer, aerotonometry, atonal, atonic, barytone, detonate