heliotropism

noun 0.778

helio

noun 0.675

helichrysum

noun 0.609

heliconia

noun 0.591

heliograph

noun 0.584

helicon

noun 0.583

hellebore

noun 0.574

pyrheliometer

noun 0.567

helenium

noun 0.551

helleborine

noun 0.550

helicene

noun 0.548

phototropism

noun 0.538

helicopter

noun 0.535

heliox

noun 0.532

helicate

noun 0.531

helicoid

noun 0.523

heliocentrism

noun 0.519

hellion

noun 0.515

helicobacter

noun 0.515

phototroph

noun 0.513

sunflower

noun 0.512

hothouse flower

noun 0.509

geranium

noun 0.507

pelargonium

noun 0.503

geophyte

noun 0.503

helix

noun 0.503

heliosphere

noun 0.501