词根词缀：cotylo-, cotyl-

【来源及含义】Greek: cup, any cup-shaped hollow; a seed leaf

【同源单词】acotyledon, acotyledonous, cotyle, cotyledon, cotyliform, cotyloid

词根词缀：narco-, narc-, -narcotic, narcotico-, -narcosis, -narcoticism

【来源及含义】Greek: numbness, dullness; sleep, stupor, torpor; benumb, deaden

【相关词根词缀】 Related "sleep" units: dorm-; hypno-; letho-; oneiro- (dream); somni-; sopor-.

【同源单词】acronarcotic, antinarcotic, autonarcosis, denarcotize, electronarcosis, encephalonarcosis

词根词缀：scot-, scoto-, skot-, skoto-

【来源及含义】Greek: darkness; blindness

【相关词根词缀】Other related "dark; shadow, shade; black" units: lygo-; melan-; nigri-; nocti-; nycti-; skio-; umbra-.

【同源单词】angioscotoma, angioscotomas, angioscotometry, scotia, scotobacterium, scotobiological