hydropathy vs hydrotherapy

hydropathy and hydrotherapy both are nouns.

Word	Noun	Adjective	Verb	Adverb
hydropathy	Yes	No	No	No
hydrotherapy	Yes	No	No	No

As nouns, hydropathy and hydrotherapy are synonyms defined as:

hydropathy and hydrotherapy: the internal and external use of water in the treatment of disease

hydropathy (noun)	hydrotherapy (noun)
the internal and external use of water in the treatment of disease	the internal and external use of water in the treatment of disease