词根词缀：demono-, demon-, -demonic, -demon, -demonical, -demoniac, daemono-, -daemonic, -daemonical, -daemon, -daemoniac, -daemonia, -daemoniacally, -daimon, -daimonic

【来源及含义】Greek: devil, demon [evil spirit]; an intermediary spirit between gods and men which could be good or evil

【同源单词】ademonist, agathodemon, agathodemonic, antidemoniac, cacodaemonomania, cacodemon

词根词缀：-idae, -ida, -id

【来源及含义】Greek: a suffix used to form the names of families in zoology and biology; descended from, related to

【同源单词】Agorophiidae, Balaenidae, Balaenopteridae, Basilosauridae, Delphinidae, Eschrichtiidae

词根词缀：therio-, theri-, thero-, ther-, -there, -therium, -theria, -theridae, -therian, -therioid, -theroida

【来源及含义】Greek: animal, wild beast, wild animal

【相关词根词缀】Related "animal" units: anima-; faun-; zoo-.

【同源单词】arsinoitherium, megathere, megatherioid, megatherium, philotherian, philotherianism

词根词缀：uro-, ur-, -urous, -ura, -uroid, -urus, -uridae

【来源及含义】Greek: tail, tail-like

【相关描述】Don't confuse this uro- unit with another uro- unit which refers to "water, rain, and urine".

【相关词根词缀】 Related "tail" word units: caudo-; cerc-.

【同源单词】anthurium, anurous, brachyurous, cynosure, urochord, urodele