词根词缀：bio-, bi-, -bia, -bial, -bian, -bion, -biont, -bius, -biosis, -bium, -biotic, -biotical

【来源及含义】Greek: life; living, live, alive

【相关描述】Don’t confuse this element with another bi- which means "two".

【相关词根词缀】 Related life, live-word units: anima-; -cole; vita-; viva-.

【同源单词】abiatrophy, abiocoen, abiogenesis, abiogenetic, abiogenetically, abiogenic

词根词缀：necro-, necr-, necron-, -necrosis, nekro-

【来源及含义】Greek: dead, death, dead body; dead tissue or cells; corpse

【相关词根词缀】 Related "death, dead; kill" units: -cide; lethal-; mort-; neci-; phono-; thanato-.

【同源单词】adiponecrosis, anemic necrosis, angionecrosis, anthraconecrosis, arteriolonecrosis, bionecrosis

词根词缀：syn-, sy-, sym-, syl-, sys-

【来源及含义】Greek: with, together with; also by extension: united; same, similar; at the same time

【相关词根词缀】 Inter-related cross references, directly or indirectly, involving word units dealing with "equal, identical, same, similar": auto-; emul-; equ-, equi-; homeo-; homo-; iso-; pari-; peer; rhomb-; tauto-.

【同源单词】acrocephalopolysyndactyly, acrocephalosyndactylia, acrocephalosyndactyly, acrosyndesis, allosynapsis, antagonistic symbiosis