idealism vs philosophy

idealism and philosophy both are nouns.

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

idealism (noun)	philosophy (noun)
impracticality by virtue of thinking of things in their ideal form rather than as they really are	the rational investigation of questions about existence and knowledge and ethics
elevated ideals or conduct; the quality of believing that ideals should be pursued	a belief (or system of beliefs) accepted as authoritative by some group or school
(philosophy) the philosophical theory that ideas are the only reality	any personal belief about how to live or how to deal with a situation