The politician was arrested on suspicion of accepting bribes.
He bribed the official to get the permit.
The company gave a bribe to the official.
The politician accepted a bribe and resigned.
The customs officer demanded a bribe.
He refused the bribe and stood by his principles.
He used a bribe to sway the judges.
賄賂 is the bribe (the money or item itself), whereas 収賄 is the act of accepting such a bribe.
賄賂 is the noun for the bribe itself, while 買収 is the act of bribing or buying someone off.
賄賂 is the bribe itself (the money or gift handed over), while 贈収賄 is the act or crime of exchanging such bribes.