policy vs insurance policy

policy and insurance policy both are nouns.

Word	Noun	Adjective	Verb	Adverb
policy	Yes	No	No	No
insurance policy	Yes	No	No	No

As nouns, policy and insurance policy are synonyms defined as:

policy and insurance policy: written contract or certificate of insurance

Other synonyms of policy include insurance.

policy (noun)	insurance policy (noun)
a plan of action adopted by an individual or social group	written contract or certificate of insurance
a line of argument rationalizing the course of action of a government
written contract or certificate of insurance