phenobarbital

noun 0.882

phenobarbitone

noun 0.839

hexobarbital

noun 0.810

barbiturate

noun 0.792

secobarbital

noun 0.786

thiopental

noun 0.751

sodium thiopental

noun 0.736

mephobarbital

noun 0.723

pentothal

noun 0.684

barbituric acid

noun 0.654

sodium amytal

noun 0.633

butalbital

noun 0.629

nitrazepam

noun 0.617

propofol

noun 0.615

carbamazepine

noun 0.584

felbamate

noun 0.577

midazolam

noun 0.572

zolpidem

noun 0.571

temazepam

noun 0.568

gabapentin

noun 0.566

carbaryl

noun 0.564

zopiclone

noun 0.557

narcosis

noun 0.557

butorphanol

noun 0.553

benzodiazepine

noun 0.551

bromazepam

noun 0.550

flunitrazepam

noun 0.549

vecuronium

noun 0.544

baclofen

noun 0.543

narcotic

noun 0.541

soporific

noun 0.539

etomidate

noun 0.539

diazepam

noun 0.538

rocuronium

noun 0.537

pregabalin

noun 0.537

lorazepam

noun 0.537

sedative

noun 0.535

propoxur

noun 0.532

nitrobenzyl

noun 0.532

fosphenytoin

noun 0.531

barium nitrate

noun 0.531

topiramate

noun 0.529

phenytoin

noun 0.529

naloxone

noun 0.528

meprobamate

noun 0.527

zolazepam

noun 0.527

chlordiazepoxide

noun 0.527

procaine

noun 0.526

piracetam

noun 0.526

carbamate

noun 0.525

piperonyl butoxide

noun 0.524

tolbutamide

noun 0.523

propranolol

noun 0.523

codeine

noun 0.519

fenoprofen

noun 0.517

propenal

noun 0.517

pirbuterol

noun 0.516

acetaminophen

noun 0.515

triazolam

noun 0.514

hydrocodone

noun 0.514

sevoflurane

noun 0.514

barite

noun 0.514

barium

noun 0.513

propanol

noun 0.513

melarsoprol

noun 0.512

parathion

noun 0.512

omeprazole

noun 0.512

paclobutrazol

noun 0.510

terbutaline

noun 0.510

sleeping pill

noun 0.509

phenylbutazone

noun 0.509

tiagabine

noun 0.509

morphine

noun 0.509

mephenytoin

noun 0.508

gamma-aminobutyric acid

noun 0.507

tubocurarine

noun 0.507

nonnarcotic

noun 0.507

piperonyl

noun 0.506

pentazocine

noun 0.505

procainamide

noun 0.504

opiate

noun 0.504

oxycodone

noun 0.503

neuroleptic

noun 0.503

nitrobenzene

noun 0.503

ethchlorvynol

noun 0.503

nitrofurantoin

noun 0.503

albuterol

noun 0.503

veronal

noun 0.502

lethal injection

noun 0.502

methaqualone

noun 0.501

ketamine

noun 0.501

modafinil

noun 0.500