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：stimul-

【来源及含义】Latin: impel, goad, sting, spur, incentive, full of incentives

【同源单词】contrastimulant, hyperstimulation, immunostimulant, narcostimulant, psychostimulant, stimulant