hydrocodone

noun 0.720

diamorphine

noun 0.701

oxycodone

noun 0.695

diacetylmorphine

noun 0.686

morphine

noun 0.662

dihydrocodeine

noun 0.653

ethylmorphine

noun 0.642

oxycontin

noun 0.625

meperidine

noun 0.625

levorphanol

noun 0.620

opioid

noun 0.615

tramadol

noun 0.600

butorphanol

noun 0.597

heroin

noun 0.595

methadone

noun 0.594

diprenorphine

noun 0.593

haloperidol

noun 0.585

hyoscyamine

noun 0.585

diphenhydramine

noun 0.578

codeine

noun 0.576

pethidine

noun 0.572

dextromethorphan

noun 0.565

hydrocortisone

noun 0.565

opiate

noun 0.562

fentanyl

noun 0.557

dexmedetomidine

noun 0.546

hydroxyurea

noun 0.545

diazepam

noun 0.544

homatropine

noun 0.543

hydrochloride

noun 0.543

dextropropoxyphene

noun 0.541

narcotic

noun 0.540

hydronium

noun 0.540

prodynorphin

noun 0.539

midazolam

noun 0.538

remifentanil

noun 0.533

pentazocine

noun 0.527

oxybutynin

noun 0.527

dihydropyridine

noun 0.526

propofol

noun 0.526

diltiazem

noun 0.526

hydromassage

noun 0.526

hypodermic

noun 0.525

opium

noun 0.524

prednisone

noun 0.524

doxylamine

noun 0.523

morphia

noun 0.521

hydrosulfide

noun 0.521

hydro

noun 0.520

hydride

noun 0.519

antidiuretic hormone

noun 0.518

hydroid

noun 0.518

dopamine

noun 0.517

benzodiazepine

noun 0.512

dexamethasone

noun 0.511

naloxone

noun 0.511

pheniramine

noun 0.509

dronabinol

noun 0.508

chlorodyne

noun 0.508

acetaminophen

noun 0.507

hydroxylamine

noun 0.507

dihydrate

noun 0.507

hydrazine

noun 0.506

dihydrotestosterone

noun 0.506

hemihydrate

noun 0.506

scopolamine

noun 0.506

hard drug

noun 0.506

enkephalin

noun 0.505

triazolam

noun 0.505

pramoxine

noun 0.504

hydropower

noun 0.504

dextroamphetamine

noun 0.502

hydroxypregnenolone

noun 0.501

phenytoin

noun 0.500

hydropathic

noun 0.500