词根词缀：hydro-, hydra-, hydr-, hyd-

【来源及含义】Greek: water

【相关词根词缀】 Cross references of word families that refer to "water": aqua-; hydat-; hygro-.

【同源单词】ahydrotaxis, anhydrase, anhydration, anhydride, anhydrobiosis, anhydrous

词根词缀：tribo-, trib-

【来源及含义】Greek: friction, rub, rubbing, grind, wear away; spend, waste time; be busy

【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-; frica-, frict-; terg-; -tripsy; trit-.

【同源单词】diatribe, electrostatic series, hydrotribophile, hydrotribophilous, hydrotribophily, hydrotribophyte