polluted vs contaminated

polluted and contaminated both are adjectives.

Word	Noun	Adjective	Verb	Adverb
polluted	No	Yes	No	No
contaminated	No	Yes	No	No

As adjectives, polluted and contaminated are synonyms defined as:

polluted and contaminated: rendered unwholesome by contaminants and pollution

polluted (adjective)	contaminated (adjective)
rendered unwholesome by contaminants and pollution	corrupted by contact or association
	rendered unwholesome by contaminants and pollution