experimentalism vs empiricism

experimentalism and empiricism both are nouns.

Word	Noun	Adjective	Verb	Adverb
experimentalism	Yes	No	No	No
empiricism	Yes	No	No	No

As nouns, empiricism is a hypernym of experimentalism; that is, empiricism is a word with a broader meaning than experimentalism:

experimentalism: an empirical doctrine that advocates experimental principles
empiricism: (philosophy) the doctrine that knowledge derives from experience

Other hypernyms of experimentalism include empiricist philosophy, sensationalism.

experimentalism (noun)	empiricism (noun)
an orientation that favors experimentation and innovation	the application of empirical methods in any art or science
an empirical doctrine that advocates experimental principles	medical practice and advice based on observation and experience in ignorance of scientific findings
	(philosophy) the doctrine that knowledge derives from experience