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:trepid-
【来源及含义】Latin: agitated, alarmed, restless, anxious, solicitous; fear, fearful, fright; terror; consternation
【同源单词】intrepid, intrepidity, intrepidly, intrepidness, trepid, trepidant