Cyllu, v. to make a parting
Cymdeithas, n. a society
Cymdeithasgar, a. sociable
Cymdeithasiad, n. association
Cymdeithasol, a. sociable
Cymdeithasrwydd, n. sociableness
Cymdeithasu, v. to associate
Cymdeithiad, n. consociation
Cymdeithiogi, v. to associate
Cymdeithio, v. to consociate