词根词缀:pneumo-, pneum-, pneumono-, pneumon-
【来源及含义】Greek: lung; breath, breathe
【相关词根词缀】 Word units related to breath and breathe: hal-; pneo-; pneumato-; psych-; spiro.
【同源单词】amphipneust, amphipneustic, angiopneumography, apneumia, apneuses, apneusis
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