iontotherapy vs iontophoresis

iontotherapy and iontophoresis both are nouns.

Word	Noun	Adjective	Verb	Adverb
iontotherapy	Yes	No	No	No
iontophoresis	Yes	No	No	No

As nouns, iontotherapy and iontophoresis are synonyms defined as:

iontotherapy and iontophoresis: therapy that uses a local electric current to introduce the ions of a medicine into the tissues

Other synonyms of iontotherapy include electromotive drug administration, EMDA, ionic medication.

iontotherapy (noun)	iontophoresis (noun)
therapy that uses a local electric current to introduce the ions of a medicine into the tissues	therapy that uses a local electric current to introduce the ions of a medicine into the tissues