opium (n.)
- alcohol
 - analgesic
 - anesthetic
 - anodyne
 - barb
 - barbiturate
 - blue
 - codeine
 - depressant
 - depressor
 - dolly
 - downer
 - goofball
 - heroin
 - hop
 - horse
 - hypnotic
 - junk
 - laudanum
 - liquor
 - lotus
 - lullaby
 - mandrake
 - meperidine
 - methadone
 - morphia
 - morphine
 - narcotic
 - nightcap
 - opiate
 - pacifier
 - paregoric
 - phenobarbital
 - poppy
 - rainbow
 - red
 - scag
 - sedative
 - shit
 - sleeper
 - smack
 - soporific
 - tar
 - tranquilizer
 - turps
 - yellow