clincher

noun 0.581

cornerstone

noun 0.570

headpin

noun 0.568

keystone

noun 0.562

chainlink

noun 0.559

pintle

noun 0.546

fulcrum

noun 0.544

lien

noun 0.543

linker

noun 0.533

missing link

noun 0.532

lichen

noun 0.528

linn

noun 0.527

liner

noun 0.525

cinch

noun 0.520

mainstay

noun 0.520

hinge

noun 0.519

cotter pin

noun 0.515

indispensable

noun 0.514

pin

noun 0.512

cross-link

noun 0.511

pinning

noun 0.509

anchor

noun 0.507

clinch

noun 0.504

pivot

noun 0.501

throughline

noun 0.500