uridine

noun 0.742

pyrimidine

noun 0.713

thymine

noun 0.711

urea

noun 0.650

cytosine

noun 0.650

uranium

noun 0.640

uric acid

noun 0.636

bromouracil

noun 0.622

uranyl

noun 0.620

urachus

noun 0.620

urine

noun 0.616

urease

noun 0.603

uraninite

noun 0.601

orotidine

noun 0.600

uronic acid

noun 0.597

polypyrimidine

noun 0.594

guanosine

noun 0.586

nucleobase

noun 0.584

nucleoside

noun 0.576

ure

noun 0.576

uricosuric

noun 0.574

uro

noun 0.573

uranium hexafluoride

noun 0.573

guanine

noun 0.569

purpurin

noun 0.568

purine

noun 0.567

adenine

noun 0.565

urobilin

noun 0.564

ribonucleic acid

noun 0.563

ute

noun 0.562

urn

noun 0.561

lutidine

noun 0.561

uroporphyrinogen

noun 0.558

urethritis

noun 0.556

iduronate

noun 0.552

orotic acid

noun 0.548

nucleotide

noun 0.547

aminopurine

noun 0.544

ribonucleoside

noun 0.542

polyurea

noun 0.541

ribonucleotide

noun 0.536

polyurethane

noun 0.535

ureter

noun 0.534

pyridine

noun 0.533

oxoguanine

noun 0.533

urethane

noun 0.533

inosine

noun 0.532

mononucleotide

noun 0.532

uterine

noun 0.531

ethylnitrosourea

noun 0.530

ule

noun 0.530

floxuridine

noun 0.529

urinalysis

noun 0.529

urushiol

noun 0.527

urokinase

noun 0.527

cytarabine

noun 0.526

guanyl

noun 0.526

anuria

noun 0.526

imino acid

noun 0.525

ulcer

noun 0.524

pyrroline

noun 0.523

ulu

noun 0.523

nucleic acid

noun 0.522

pyrrole

noun 0.521

iduronidase

noun 0.520

flucytosine

noun 0.520

ultraviolet

noun 0.519

nucleotidyl

noun 0.519

ulna

noun 0.516

yellowcake

noun 0.515

uta

noun 0.515

ubiquitin

noun 0.515

depleted uranium

noun 0.515

usnic acid

noun 0.514

transuranic

noun 0.512

umbelliferone

noun 0.511

aminoaciduria

noun 0.510

phenylurea

noun 0.510

glucuronyl

noun 0.509

valyl

noun 0.509

udo

noun 0.508

umu

noun 0.506

ukulele

noun 0.506

ruthenium

noun 0.505

uzi

noun 0.505

pyrrolidone

noun 0.505

uvula

noun 0.503

xylulose

noun 0.503

ribulose

noun 0.503

bilirubinuria

noun 0.503

ill-use

noun 0.502

uranium bomb

noun 0.501

hydroxyurea

noun 0.501