herbal therapy vs phytotherapy

herbal therapy and phytotherapy both are nouns.

Word	Noun	Adjective	Verb	Adverb
herbal therapy	Yes	No	No	No
phytotherapy	Yes	No	No	No

As nouns, herbal therapy and phytotherapy are synonyms defined as:

herbal therapy and phytotherapy: the use of plants or plant extracts for medicinal purposes (especially plants that are not part of the normal diet)

Other synonyms of herbal therapy include botanical medicine.

herbal therapy (noun)	phytotherapy (noun)
the use of plants or plant extracts for medicinal purposes (especially plants that are not part of the normal diet)	the use of plants or plant extracts for medicinal purposes (especially plants that are not part of the normal diet)