Pollution
Part of speech: noun
Definition: The act of polluting or the state of being polluted, especially the contamination of the environment by harmful substances. Something that pollutes; a pollutant. Physical defilement
Example sentence: I always saw pollution as theft, and I always thought, 'Why should somebody be able to pollute the air, which belongs to all of us, or destroy a river or a waterway, which is supposed to belong to the whole community?'
Contamination
Part of speech: noun
Definition: The act or process of contaminating; pollution; defilement; taint; also, that which contaminates.A grammatical blend, portmanteau.The process of making a material or surface unclean or unsuited for its intended purpose, usually by the addition or attachment of undesirable foreign substances.
Example sentence: I know that speaking with parties, which I do, but not very often, is seen by many as a 'contamination.'