phenobarbitone

noun 0.917

pentobarbital

noun 0.882

hexobarbital

noun 0.793

barbiturate

noun 0.785

mephobarbital

noun 0.775

secobarbital

noun 0.744

thiopental

noun 0.667

sodium thiopental

noun 0.650

barbituric acid

noun 0.642

butalbital

noun 0.631

carbamazepine

noun 0.613

pentothal

noun 0.612

phenytoin

noun 0.598

felbamate

noun 0.594

sodium amytal

noun 0.575

fosphenytoin

noun 0.566

propofol

noun 0.562

mephenytoin

noun 0.559

chlordiazepoxide

noun 0.559

midazolam

noun 0.556

diazepam

noun 0.552

nitrazepam

noun 0.551

hydrocodone

noun 0.551

benzodiazepine

noun 0.549

phenylbutazone

noun 0.548

carbaryl

noun 0.544

butorphanol

noun 0.543

lorazepam

noun 0.542

theophylline

noun 0.540

codeine

noun 0.538

bromazepam

noun 0.537

baclofen

noun 0.535

meprobamate

noun 0.535

acetaminophen

noun 0.533

sedative

noun 0.531

gabapentin

noun 0.527

laudanum

noun 0.527

pregabalin

noun 0.527

zolpidem

noun 0.527

temazepam

noun 0.526

barium

noun 0.526

piperonyl butoxide

noun 0.526

barium nitrate

noun 0.525

flunitrazepam

noun 0.525

thiabendazole

noun 0.524

oxyphenbutazone

noun 0.523

barite

noun 0.522

ethchlorvynol

noun 0.521

diphenhydramine

noun 0.519

zopiclone

noun 0.519

procainamide

noun 0.518

tolbutamide

noun 0.517

salbutamol

noun 0.516

anticonvulsant

noun 0.516

albuterol

noun 0.515

paclobutrazol

noun 0.515

thalidomide

noun 0.514

morphine

noun 0.514

topiramate

noun 0.514

methaqualone

noun 0.514

methadone

noun 0.514

prednisolone

noun 0.514

pirbuterol

noun 0.513

chlorpromazine

noun 0.513

phenoxide

noun 0.511

oxycodone

noun 0.509

albendazole

noun 0.508

narcotic

noun 0.508

nitrofurantoin

noun 0.507

propoxur

noun 0.507

terbutaline

noun 0.506

noscapine

noun 0.506

chloramphenicol

noun 0.506

lamotrigine

noun 0.505

tramadol

noun 0.505

procarbazine

noun 0.505

probucol

noun 0.504

melarsoprol

noun 0.504

parathion

noun 0.503

anticonvulsive

noun 0.502

levorphanol

noun 0.502

theobromine

noun 0.502

levothyroxine

noun 0.502

propranolol

noun 0.502

phenylpropanolamine

noun 0.501

prednisone

noun 0.501

pseudoephedrine

noun 0.501

disulfiram

noun 0.500