philosophy vs philosophic

philosophy is a noun but philosophic is not a noun.

Word	Noun	Adjective	Verb	Adverb
philosophy	Yes	No	No	No
philosophic	No	Yes	No	No

philosophy (noun)	philosophic (noun)
the rational investigation of questions about existence and knowledge and ethics
a belief (or system of beliefs) accepted as authoritative by some group or school
any personal belief about how to live or how to deal with a situation

philosophy (adjective)	philosophic (adjective)
	of or relating to philosophy or philosophers
	characterized by the attitude of a philosopher; meeting trouble with level-headed detachment