词根词缀：chrono-, chron-

【来源及含义】Greek: time, times; sequence of times

【相关词根词缀】 Related "time" units: aevum, evum; archaeo-, archeo-; Calendars; horo-; pre-; Quotes: Time; tempo-.

【同源单词】achronism, algesichronometer, allochronic, allochronic speciation, anachronic, anachronism

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