codeine

noun 0.745

diamorphine

noun 0.692

hydrocodone

noun 0.673

diacetylmorphine

noun 0.666

dihydrodiol

noun 0.660

dextropropoxyphene

noun 0.655

hydromorphone

noun 0.653

dextromethorphan

noun 0.645

dihydroxynaphthalene

noun 0.635

dihydrotestosterone

noun 0.628

dihydroxyphenyl

noun 0.623

dihydronaphthalene

noun 0.621

dihydropyridine

noun 0.620

diprenorphine

noun 0.619

oxycodone

noun 0.612

dihydrofolate

noun 0.612

dihydropteridine

noun 0.608

dihydrotachysterol

noun 0.601

dihydrate

noun 0.598

dihydrogen

noun 0.597

dihydroflavonol

noun 0.593

dihydrostreptomycin

noun 0.589

diphenhydramine

noun 0.588

pethidine

noun 0.579

diol

noun 0.575

dihydroxybenzoic acid

noun 0.575

dihydropyran

noun 0.570

ethylmorphine

noun 0.570

dihalide

noun 0.566

dioxane

noun 0.566

dibucaine

noun 0.564

tetrahydroisoquinoline

noun 0.559

diazepam

noun 0.552

dioxanone

noun 0.552

dihydrolase

noun 0.551

morphine

noun 0.550

methadone

noun 0.547

pseudoephedrine

noun 0.547

diethyl

noun 0.547

phenytoin

noun 0.545

tramadol

noun 0.545

dehydroepiandrosterone

noun 0.545

diltiazem

noun 0.545

diphenyl

noun 0.545

dyphylline

noun 0.543

meperidine

noun 0.543

dibutyl

noun 0.541

diphenylmethane

noun 0.539

dihedral

noun 0.539

dextroamphetamine

noun 0.537

dianhydride

noun 0.534

diphenyl ether

noun 0.534

dioxetane

noun 0.534

diphosphate

noun 0.533

diaminopyridine

noun 0.533

phenobarbitone

noun 0.532

chlorodyne

noun 0.532

pheniramine

noun 0.531

diclofenac

noun 0.530

doxylamine

noun 0.529

hydroxycholecalciferol

noun 0.529

oxycontin

noun 0.527

tetrahydrocannabinol

noun 0.527

hexanedione

noun 0.527

dicyclohexylcarbodiimide

noun 0.525

hydrochloride

noun 0.525

dipyridamole

noun 0.525

dichloride

noun 0.525

dimethyl

noun 0.525

dexamethasone

noun 0.525

noscapine

noun 0.524

paracetamol

noun 0.524

dicoumarol

noun 0.524

cyproterone

noun 0.524

quinidine

noun 0.523

opioid

noun 0.523

dipropionate

noun 0.522

doxycycline

noun 0.522

butorphanol

noun 0.522

dibromide

noun 0.522

cyclohexadiene

noun 0.521

cough syrup

noun 0.520

diene

noun 0.519

calcipotriene

noun 0.519

heroin

noun 0.518

dicalcium

noun 0.518

monohydroxy

noun 0.518

hydrocortisone

noun 0.517

diethylene glycol

noun 0.517

dichloroacetate

noun 0.517

desipramine

noun 0.517

cyclodiene

noun 0.516

levorphanol

noun 0.515

diphtheria

noun 0.514

diphenol

noun 0.514

dioctyl phthalate

noun 0.514

dijet

noun 0.514

diaminobenzidine

noun 0.514

bisacodyl

noun 0.512

cyproterone acetate

noun 0.512