釘 - nail, tack, peg

nail; spike; tack; rivet; brad; (pachinko) pin

spike; very large nail

brad; double-pointed nail

screw; screw spike

rivet on a sword hilt

L-shaped nail; staple; small clamp

having no effect; waste of effort

bamboo nail (spike, peg, etc.)

staple

long nail; spike

the nail that sticks out gets hammered down; people that stick out too much get punished

scrawl; scrawled writing