ethynylene

noun 0.818

alkyne

noun 0.812

acetylene

noun 0.802

ethene

noun 0.797

hexyne

noun 0.756

ethynyl

noun 0.740

ethane

noun 0.725

ethylene

noun 0.710

acetylide

noun 0.702

pentyne

noun 0.691

diacetylene

noun 0.680

oxyacetylene

noun 0.678

acenaphthylene

noun 0.665

alkynyl

noun 0.661

ethanal

noun 0.655

ethyl ether

noun 0.619

propene

noun 0.608

ethyl

noun 0.605

ethanethiol

noun 0.604

acetylene torch

noun 0.603

ketene

noun 0.601

vinylene

noun 0.598

alkene

noun 0.597

benzyne

noun 0.594

acrylonitrile

noun 0.593

polyacetylene

noun 0.593

polyethene

noun 0.592

acetylene black

noun 0.590

xylylene

noun 0.588

diethyl ether

noun 0.585

ethanol

noun 0.584

ethion

noun 0.582

propylene

noun 0.581

ethyl acetate

noun 0.581

diaminoethane

noun 0.579

cyclohexene

noun 0.577

ethanoate

noun 0.577

alkenyl

noun 0.571

propenyl

noun 0.569

carbyne

noun 0.568

phenylene

noun 0.568

acetonitrile

noun 0.567

acetaldehyde

noun 0.566

hydrogen cyanide

noun 0.566

oxetane

noun 0.562

terylene

noun 0.561

triethyl

noun 0.560

propadiene

noun 0.559

cyclopropene

noun 0.559

ethanoic acid

noun 0.557

thane

noun 0.555

urethane

noun 0.555

polyethylene

noun 0.553

oxyacetylene torch

noun 0.552

alkylidene

noun 0.552

hexatriene

noun 0.548

cyclobutene

noun 0.548

cyclopropane

noun 0.547

styrene

noun 0.545

butadiene

noun 0.544

olefin

noun 0.543

tetraethyl

noun 0.542

glycine

noun 0.541

methane

noun 0.541

acid anhydride

noun 0.541

ethyl alcohol

noun 0.540

anhydride

noun 0.539

methylene

noun 0.539

cycloalkene

noun 0.538

acetyl

noun 0.538

methine

noun 0.537

cyclopentadienyl

noun 0.536

diene

noun 0.536

cyclohexadiene

noun 0.536

nitrene

noun 0.536

polythene

noun 0.536

diethyl

noun 0.535

anthracene

noun 0.535

cyanate

noun 0.535

cyanoethyl

noun 0.534

acetic acid

noun 0.534

dichloroethene

noun 0.534

cyanoacetate

noun 0.533

diarylethene

noun 0.532

acetate

noun 0.531

trimethylene

noun 0.531

ethylene oxide

noun 0.531

ethylamine

noun 0.531

yttrium

noun 0.531

hydrogen

noun 0.529

cyclopentane

noun 0.529

acrolein

noun 0.529

ylide

noun 0.529

vinyl acetate

noun 0.529

methanone

noun 0.526

pentane

noun 0.526

acetone

noun 0.525

aryne

noun 0.524

epoxide

noun 0.523

enol

noun 0.523