self-stimulation vs self-abuse

self-stimulation and self-abuse both are nouns.

Word	Noun	Adjective	Verb	Adverb
self-stimulation	Yes	No	No	No
self-abuse	Yes	No	No	No

As nouns, self-stimulation and self-abuse are synonyms defined as:

self-stimulation and self-abuse: manual stimulation of your own genital organ for sexual pleasure

self-stimulation (noun)	self-abuse (noun)
manual stimulation of your own genital organ for sexual pleasure	manual stimulation of your own genital organ for sexual pleasure