COP - To (be forced to) take; to receive; to shoulder; to bear, especially blame or punishment for a particular instance of wrongdoing.
CUP - A concave vessel for drinking from, usually made of opaque material (as opposed to a glass).
CUT - Having been cut.
OUT - Away from home or one's usual place, or not indoors.
POT - A vessel used for cooking or storing food.
PUT - To place something somewhere.
TOO - Likewise.
TOP - That part of an object furthest away in the opposite direction from that in which an unsupported object would fall.
COO - The murmuring sound made by a dove or pigeon.
COT - A symbol of the trigonometric function cotangent.
OPT - To choose; to select.
COOP - A pen or enclosure for birds.
COUP - A quick, brilliant, and highly successful act; a triumph.
COOT - Any of various aquatic birds of the genus Fulica that are mainly black with a prominent frontal shield on the forehead.
POUT - One's facial expression when pouting.
COOPT - To commandeer, appropriate or take over.
COPOUT - Avoidance or inadequate performance of a task or duty; the action of copping out.