helium

noun 0.786

helio

noun 0.702

liquid helium

noun 0.697

helicon

noun 0.633

xenon

noun 0.619

helicene

noun 0.612

helium burning

noun 0.603

helium fusion

noun 0.597

hydrogen

noun 0.574

heliosheath

noun 0.568

helix

noun 0.567

helium flash

noun 0.556

oxyhydrogen

noun 0.555

helicopter

noun 0.551

helichrysum

noun 0.546

heliosphere

noun 0.546

parahydrogen

noun 0.542

hydrogen selenide

noun 0.541

halogen

noun 0.532

heliotrope

noun 0.532

heliograph

noun 0.532

hydroperoxyl

noun 0.529

helicate

noun 0.528

dihydrogen

noun 0.527

nitrox

noun 0.526

halocarbon

noun 0.526

helenium

noun 0.525

holmium

noun 0.525

hie

noun 0.524

oxygen gas

noun 0.523

hot air

noun 0.523

heliconia

noun 0.521

herl

noun 0.519

hyp

noun 0.519

hexafluoride

noun 0.518

heavy hydrogen

noun 0.517

hydrogen halide

noun 0.517

hexyl

noun 0.517

hexenyl

noun 0.515

liquid air

noun 0.514

halon

noun 0.514

helm

noun 0.513

helicobacter

noun 0.510

heliport

noun 0.509

light air

noun 0.508

dioxygen

noun 0.508

helioseismology

noun 0.506

hydrogen iodide

noun 0.505

oxygen

noun 0.504

hex

noun 0.504

noble gas

noun 0.500

helicity

noun 0.500