diamorphine

noun 0.836

ethylmorphine

noun 0.727

hydromorphone

noun 0.686

heroin

noun 0.684

morphine

noun 0.677

dihydrocodeine

noun 0.666

oxycodone

noun 0.639

diprenorphine

noun 0.620

methadone

noun 0.609

hydrocodone

noun 0.600

opiate

noun 0.597

codeine

noun 0.595

pethidine

noun 0.589

opium

noun 0.588

oxycontin

noun 0.588

meperidine

noun 0.579

dextromethorphan

noun 0.561

opioid

noun 0.560

levorphanol

noun 0.557

methedrine

noun 0.550

dextropropoxyphene

noun 0.550

morphia

noun 0.549

heroine

noun 0.543

diacetyl

noun 0.540

narcotic

noun 0.537

dextroamphetamine

noun 0.536

butorphanol

noun 0.533

hard drug

noun 0.530

prodynorphin

noun 0.530

enkephalin

noun 0.525

naloxone

noun 0.523

noscapine

noun 0.522

thebaine

noun 0.519

tramadol

noun 0.518

dimethylacetamide

noun 0.518

cocaine

noun 0.518

methamphetamine

noun 0.516

drug addict

noun 0.513

met-enkephalin

noun 0.513

tetrahydrocannabinol

noun 0.512

dopamine

noun 0.510

crack cocaine

noun 0.509

crystal meth

noun 0.507

acetylsalicylic acid

noun 0.507

tetrahydroisoquinoline

noun 0.505

acetohexamide

noun 0.502

pentazocine

noun 0.501

diethylamide

noun 0.500