词根词缀:frica-, frict-, -frice
【来源及含义】Latin: a rubbing, to rub
【相关词根词缀】 Cross references of word families that are related directly, or indirectly, to: "rub, rubbing; wear away; wipe": bruxo, brux-; terg-; tribo-; -tripsy; trit-.
【同源单词】affriction, antifriction, dentifrice, fricative, friction, friction layer
词根词缀:-less
【来源及含义】Old English: -leas, from leas, "free from, devoid of, false, feigned"; suffix meaning "lacking"
【同源单词】aimless, artless, avoidless, causeless, ceaseless, charmless