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：phobo-, phob-, -phobia, -phobias, -phobe, -phobiac, -phobist, -phobic, -phobism, -phobous

【来源及含义】Greek: fear, extreme fear of; morbid, excessive, irrational fear, or terror of something or someone; however, sometimes this Greek element also means a strong dislike, dread, or hatred for something or someone

【同源单词】ablutophobia, ablutophobic, acarophobia, acarophobiac, acerbophobia, acerophobia