cyclopentadiene

noun 0.847

pentamethylcyclopentadienyl

noun 0.778

cyclooctadiene

noun 0.764

cyclohexadiene

noun 0.751

cyclopentane

noun 0.707

cyclooctatetraene

noun 0.705

cyclopropene

noun 0.703

cyclopentenone

noun 0.699

cyclopentanone

noun 0.680

cyclobutene

noun 0.672

cyclohexene

noun 0.661

cyclobutane

noun 0.654

cycloheptatriene

noun 0.654

cyclohexane

noun 0.636

cyclooctane

noun 0.630

cycloalkene

noun 0.630

cycloalkyl

noun 0.622

ferrocene

noun 0.599

alkylidene

noun 0.599

phenylene

noun 0.594

cycloalkane

noun 0.591

acenaphthylene

noun 0.590

propadiene

noun 0.583

titanocene

noun 0.583

alkynyl

noun 0.579

cyclophane

noun 0.578

cyclopropane

noun 0.573

cyclohexanone

noun 0.572

pentacarbonyl

noun 0.568

terpyridine

noun 0.567

pentyne

noun 0.565

metallocene

noun 0.562

ethynylene

noun 0.562

acetylene

noun 0.561

carbenoid

noun 0.561

propenyl

noun 0.560

carbene

noun 0.560

acetylide

noun 0.560

pentacene

noun 0.559

pentafluorophenyl

noun 0.559

cyclo

noun 0.556

benzyne

noun 0.555

cymene

noun 0.555

cyanoethyl

noun 0.554

alkyne

noun 0.552

corannulene

noun 0.551

norbornene

noun 0.551

diacetylene

noun 0.550

ethynyl

noun 0.548

cyclothem

noun 0.546

cyclopentolate

noun 0.544

helicene

noun 0.542

pyridylmethyl

noun 0.540

benzene

noun 0.539

cyclen

noun 0.539

cycloaddition

noun 0.539

cycloisomerization

noun 0.539

phenylpyridine

noun 0.538

metal carbonyl

noun 0.537

isopentenyl

noun 0.537

cyclohexanol

noun 0.537

alkenyl

noun 0.537

ethyne

noun 0.536

phenyl

noun 0.535

cycloadduct

noun 0.534

pyridyl

noun 0.533

methylidene

noun 0.533

carbonitrile

noun 0.531

bicyclic

noun 0.531

hexyne

noun 0.531

naphthalenide

noun 0.530

alicyclic

noun 0.529

calixarene

noun 0.529

cyclodiene

noun 0.529

pyridine

noun 0.528

hexacarbonyl

noun 0.528

thiophene

noun 0.527

heterocycle

noun 0.527

diphenyl

noun 0.525

tropylium

noun 0.525

carbyne

noun 0.525

polyphenyl

noun 0.525

cyclohexylamine

noun 0.524

benzenoid

noun 0.522

isocyanide

noun 0.522

xylylene

noun 0.520

phenanthrene

noun 0.520

metallofullerene

noun 0.520

cyclopoid

noun 0.520

ketene

noun 0.520

carbenium ion

noun 0.519

octadiene

noun 0.519

cumulene

noun 0.518

dihydropyran

noun 0.517

benzyl

noun 0.517

polyphenylene

noun 0.517

annulene

noun 0.516

diphenylmethyl

noun 0.514

catenane

noun 0.513

neopentane

noun 0.513