13-Letter Words Containing: P,A,K,O

• photosynthetic or plant constituent of plankton; mainly unicellular algae

• a building where foodstuffs are processed and packed

• a plant where livestock are slaughtered and processed and packed as meat products

• continually shifting or rapidly changing

• a telephone with a microphone and loudspeaker; can be used without picking up a handset; several people can participate in a call at the same time

• someone with an irrational urge to steal in the absence of an economic motive