粘り【ねばり】
stickiness, viscosity, tenacity, persistence
粘り強い【ねばりづよい】
tenacious, persevering, persistent, stubborn, steadfast, sticky
粘土【ねんど】
clay
粘膜【ねんまく】
mucous membrane
粘る【ねばる】
to be sticky, to be adhesive, to persevere, to persist, to stick to, to hold out, to linger
粘着【ねんちゃく】
cohesion, adhesion