school of thought vs philosophy

school of thought and philosophy both are nouns.

Word	Noun	Adjective	Verb	Adverb
school of thought	Yes	No	No	No
philosophy	Yes	No	No	No

As nouns, school of thought and philosophy are synonyms defined as:

school of thought and philosophy: a belief (or system of beliefs) accepted as authoritative by some group or school

Other synonyms of school of thought include doctrine, ism, philosophical system.

school of thought (noun)	philosophy (noun)
a belief (or system of beliefs) accepted as authoritative by some group or school	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