词根词缀：dromo-, drom-, -drome, -dromic, -dromical, -dromous

【来源及含义】Greek: running, course; race, racecourse

【同源单词】adromia, aerodromic, aerogenerator, airdrome, amphidromous, anadromous

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