histidyl

noun 0.776

polyhistidine

noun 0.755

histamine

noun 0.695

imidazole

noun 0.651

arginine

noun 0.639

amic acid

noun 0.620

histone

noun 0.608

amino acid

noun 0.608

lysine

noun 0.600

imino acid

noun 0.598

homocitrate

noun 0.590

essential amino acid

noun 0.584

inosine

noun 0.583

histaminase

noun 0.576

isoleucine

noun 0.575

glutamic acid

noun 0.571

tryptophan

noun 0.570

glycine

noun 0.566

tyrosine

noun 0.561

amidine

noun 0.560

hemin

noun 0.560

phenylalanine

noun 0.559

carnosine

noun 0.557

hydrogen ion

noun 0.555

nonessential amino acid

noun 0.555

indoleamine

noun 0.554

methionine

noun 0.552

cysteine

noun 0.551

hydrogen iodide

noun 0.549

pyridine

noun 0.548

hematite

noun 0.547

leucine

noun 0.546

uric acid

noun 0.543

valine

noun 0.542

ranitidine

noun 0.542

aspartic acid

noun 0.539

serotonin

noun 0.539

threonine

noun 0.539

adenine

noun 0.538

amino sugar

noun 0.536

serine

noun 0.535

hydronium

noun 0.535

histiocytosis

noun 0.533

pyridinium

noun 0.532

acid

noun 0.532

ith

noun 0.531

hesperidin

noun 0.530

hydriodic acid

noun 0.530

aziridine

noun 0.529

lutidine

noun 0.528

hydrogen

noun 0.527

guanidino

noun 0.526

antihistamine

noun 0.526

cytosine

noun 0.524

heme

noun 0.524

hydroxytryptamine

noun 0.523

glutamine

noun 0.523

aspartate

noun 0.523

lysin

noun 0.523

indium

noun 0.522

asparagine

noun 0.522

citric acid

noun 0.522

thionine

noun 0.522

uridine

noun 0.521

amide

noun 0.521

iodine

noun 0.521

hydride

noun 0.520

hexamethylenediamine

noun 0.520

bicarbonate

noun 0.519

aminoaciduria

noun 0.519

amino

noun 0.519

iodotyrosine

noun 0.518

indole

noun 0.518

hemoglobin

noun 0.517

isobutyric acid

noun 0.516

biotin

noun 0.515

diamine

noun 0.515

proline

noun 0.515

histoplasmosis

noun 0.515

hexamethylene diamine

noun 0.514

isatin

noun 0.514

pyridyl

noun 0.514

hin

noun 0.513

anisidine

noun 0.512

hydroxylamine

noun 0.512

spermidine

noun 0.511

siroheme

noun 0.511

indazole

noun 0.510

iodide

noun 0.508

hemagglutinin

noun 0.508

succinimidyl

noun 0.508

bismuth

noun 0.507

nitric acid

noun 0.506

sodium nitrite

noun 0.506

hirudin

noun 0.505

iproniazid

noun 0.504

pyridoxine

noun 0.504

amine

noun 0.504

azetidine

noun 0.503

hydrogen halide

noun 0.502