polyurethane

noun 0.781

thane

noun 0.713

polyurea

noun 0.699

polyether

noun 0.614

urea

noun 0.610

ure

noun 0.583

phenylurea

noun 0.582

uranyl

noun 0.559

ethane

noun 0.558

polyetherimide

noun 0.556

ethyne

noun 0.555

ethylene

noun 0.553

ute

noun 0.551

styrene

noun 0.550

terylene

noun 0.541

uraninite

noun 0.539

phytane

noun 0.536

uracil

noun 0.533

uranium

noun 0.533

ethynylene

noun 0.531

ethylnitrosourea

noun 0.529

polyethersulfone

noun 0.528

ether

noun 0.526

polyisocyanurate

noun 0.524

ethyl ether

noun 0.524

urn

noun 0.522

ethene

noun 0.521

uridine

noun 0.521

urease

noun 0.521

polyethene

noun 0.521

polyethylene

noun 0.519

util

noun 0.519

cyanate

noun 0.517

pentanediol

noun 0.517

aryne

noun 0.516

uro

noun 0.516

propylene

noun 0.515

prepolymer

noun 0.515

ethyl carbamate

noun 0.512

epoxy

noun 0.511

urine

noun 0.511

isocyanate

noun 0.510

uta

noun 0.510

iduronate

noun 0.510

vinylene

noun 0.509

phenylene

noun 0.509

pentane

noun 0.509

phenanthrene

noun 0.505

polyisocyanate

noun 0.504

uronic acid

noun 0.504

hexyne

noun 0.504

butane

noun 0.504

polysulfone

noun 0.503

pentyne

noun 0.503

thiuram

noun 0.503

thiirane

noun 0.503

tetrahydrofuran

noun 0.503

polyoxymethylene

noun 0.502

butadiene

noun 0.501

uterine

noun 0.501