gymnosophy vs philosophy

gymnosophy and philosophy both are nouns.

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

As nouns, philosophy is a hypernym of gymnosophy; that is, philosophy is a word with a broader meaning than gymnosophy:

gymnosophy: the doctrine of a sect of Hindu philosophers who practiced nudity and asceticism and meditation
philosophy: a belief (or system of beliefs) accepted as authoritative by some group or school

Other hypernyms of gymnosophy include doctrine, ism, philosophical system, school of thought.

gymnosophy (noun)	philosophy (noun)
the doctrine of a sect of Hindu philosophers who practiced nudity and asceticism and meditation	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