histamine

noun 0.728

antihistamine

noun 0.670

amidase

noun 0.619

histidyl

noun 0.586

heparanase

noun 0.581

imidazole

noun 0.579

histidine

noun 0.576

urease

noun 0.573

ranitidine

noun 0.564

acetylhydrolase

noun 0.563

histone deacetylase

noun 0.558

hydroxamic acid

noun 0.552

pheniramine

noun 0.549

astemizole

noun 0.547

arylamidase

noun 0.546

hydrolase

noun 0.545

mannosidase

noun 0.545

methenamine

noun 0.542

acetohexamide

noun 0.537

muramidase

noun 0.536

alliinase

noun 0.535

iduronidase

noun 0.535

transaminase

noun 0.533

dehydrase

noun 0.533

dihydrolase

noun 0.533

hydrazide

noun 0.532

tryptase

noun 0.531

acetylase

noun 0.531

hexanal

noun 0.530

xanthine oxidase

noun 0.529

diastase

noun 0.527

monoamine oxidase

noun 0.525

catalase

noun 0.525

antiasthmatic

noun 0.525

acetylcholinesterase

noun 0.524

neuraminidase

noun 0.522

peroxidase

noun 0.522

lactase

noun 0.521

transhydrogenase

noun 0.521

polyhistidine

noun 0.520

antiallergic

noun 0.519

trehalase

noun 0.518

ceramidase

noun 0.517

anisidine

noun 0.517

hemin

noun 0.517

lactonase

noun 0.516

benzamidine

noun 0.515

methylesterase

noun 0.514

hyoscyamine

noun 0.514

deacetylase

noun 0.514

glucanase

noun 0.514

deiminase

noun 0.513

hemagglutinin

noun 0.511

hydroxylamine

noun 0.511

asparaginase

noun 0.510

amylase

noun 0.510

invertase

noun 0.509

xylanase

noun 0.508

mannanase

noun 0.508

dehydrogenase

noun 0.506

hydrogen halide

noun 0.505

carbohydrase

noun 0.504

sialidase

noun 0.503

lactamase

noun 0.502

histone

noun 0.502

atipamezole

noun 0.502

antithrombin

noun 0.500