词根词缀：photo-, phot-, -photic

【来源及含义】Greek: light; ultraviolet and infrared radiation; radiant energy

【相关词根词缀】 Etymologically related "light, shine, glow" word families: ethero-; fulg-; luco-; lumen-, lum-; luna, luni-; lustr-; phengo-; pheno-; phospho-; scinti-, scintill-; splendo-.

【同源单词】aphotesthesia, aphotic, aphototaxis, aphototropism, astrophotograph, astrophotographer

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

词根词缀：vers-, vert-, -verse, -version, -version, -versation, -versal, -versary, -vert, vort-, vors-

【来源及含义】Latin: bend, turn

【相关词根词缀】 Inter-related cross references involving word units meaning "bend, curve, turn": diversi-; diverticul-; flect-, flex-; gyro-; meand-; -plex; streph-; stroph-; tors-; tropo-; verg-; volv-.

【同源单词】ad, adversaria, adversary, adversative, adversative, adversatively