quackery vs empiricism

quackery and empiricism both are nouns.

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

As nouns, quackery and empiricism are synonyms defined as:

quackery and empiricism: medical practice and advice based on observation and experience in ignorance of scientific findings

quackery (noun)	empiricism (noun)
medical practice and advice based on observation and experience in ignorance of scientific findings	the application of empirical methods in any art or science
the dishonesty of a charlatan	medical practice and advice based on observation and experience in ignorance of scientific findings
	(philosophy) the doctrine that knowledge derives from experience