黏稠[nenchuu] viscous
稠密[chuumitsu] dense

稠度[choudo] consistency

粘り[nebari] stickiness
粘り気[nebarike] stickiness
粘り強い[nebarizuyoi] tenacious
粘る[nebaru] to be sticky
粘液[neneki] mucus

粘性[nensei] viscosity
粘着[nenchaku] cohesion
粘着力[nenchakuryoku] adhesive power
粘度[nendo] viscosity
粘土[nendo] clay