mainspring

noun 0.633

hair grass

noun 0.558

hair

noun 0.546

hair elastic

noun 0.540

horsehair

noun 0.538

leaf spring

noun 0.536

hairsbreadth

noun 0.526

hairpin

noun 0.525

spring

noun 0.522

springing

noun 0.511

hair spray

noun 0.505

hair bundle

noun 0.504

spinet

noun 0.503

spire

noun 0.501

hairline

noun 0.501

handspring

noun 0.501

headpin

noun 0.501