Pos/Pon (put, place)
Pos, pon
Latin ponere, positum: to put, to place.
Each part, or component, of the robot was tested.
Position
The place where something is put; also a job or role.
Ananya took her position at the starting line.
Postpone
To put an event off until a later time.
The match was postponed because of heavy rain.
Remember: Pon = put: postpone = put after; opponent = one placed against you. Stress: com-POH-nent, uh-POH-nent. 'Prepone' is Indian English; elsewhere say 'bring forward'.