plag - pony
- polycarboxylic acid
- polycarpellary
- polycarpic
- polycarpous
- polycatenane
- polycatenary
- polycation
- polycationic
- polycausal
- polycentric
- polycentrism
- polychemotherapeutic
- polychemotherapy
- polychete
- polychloride
- polychlorinated
- polychlorinated biphenyl
- polychlorinated naphthalene
- polychlorobiphenyl
- polychloroprene