ethynyl

noun 0.844

ethyne

noun 0.818

ethene

noun 0.738

alkynyl

noun 0.703

ethylene

noun 0.702

alkyne

noun 0.696

acenaphthylene

noun 0.695

acetylene

noun 0.671

phenylene

noun 0.663

hexyne

noun 0.659

alkenyl

noun 0.658

vinylene

noun 0.654

diacetylene

noun 0.637

acetylide

noun 0.634

ethane

noun 0.634

xylylene

noun 0.629

pentyne

noun 0.625

polyacetylene

noun 0.622

ethanal

noun 0.620

propenyl

noun 0.612

alkylidene

noun 0.611

polyethene

noun 0.607

terylene

noun 0.600

ethyl

noun 0.599

cyclohexene

noun 0.595

diaminoethane

noun 0.583

ethylation

noun 0.582

alkene

noun 0.581

diarylethene

noun 0.580

ethion

noun 0.578

alkylene oxide

noun 0.574

cyanoethyl

noun 0.573

ketene

noun 0.564

polyphenylene

noun 0.564

cyclopentadienyl

noun 0.562

ethinylestradiol

noun 0.562

polyethylene

noun 0.562

ethinyloestradiol

noun 0.561

cycloalkene

noun 0.561

cyclopropene

noun 0.560

cyclobutene

noun 0.560

oxyacetylene

noun 0.560

benzyne

noun 0.558

ethanethiol

noun 0.557

acrylonitrile

noun 0.556

phenylethanolamine

noun 0.556

styrene

noun 0.554

cyclohexadiene

noun 0.552

olefin

noun 0.551

tetraethyl

noun 0.548

oxetane

noun 0.546

cumulene

noun 0.545

annulene

noun 0.545

hexatriene

noun 0.544

diethyl

noun 0.543

alkenone

noun 0.542

propylene

noun 0.541

norbornene

noun 0.540

carbyne

noun 0.540

endothelin

noun 0.539

ethylene oxide

noun 0.538

triethyl

noun 0.538

ethyleneimine

noun 0.537

polydiacetylene

noun 0.536

ethyl ether

noun 0.536

oligothiophene

noun 0.535

ethylnitrosourea

noun 0.534

chloroethyl

noun 0.534

acetylene black

noun 0.532

ethanol

noun 0.532

urethane

noun 0.531

phenanthrene

noun 0.530

ethionamide

noun 0.528

phenylacetyl

noun 0.528

methylene

noun 0.528

vinyl acetate

noun 0.526

diethylaminoethyl

noun 0.525

propene

noun 0.525

methine

noun 0.525

hexylthiophene

noun 0.524

ethanoate

noun 0.523

polythene

noun 0.520

ethyl acetate

noun 0.520

enol

noun 0.519

cyclooctatetraene

noun 0.519

chlorotrifluoroethylene

noun 0.519

polymethylene

noun 0.519

trimethylene

noun 0.518

eth

noun 0.518

ethanolamine

noun 0.516

cyclooctadiene

noun 0.516

anthracene

noun 0.515

xanthene

noun 0.515

vinylidene

noun 0.515

polyene

noun 0.514

diethyl ether

noun 0.514

butene

noun 0.513

ethoxide

noun 0.513

polyether

noun 0.513

dichloroethene

noun 0.512