sexual practice vs onanism

sexual practice and onanism both are nouns.

Word	Noun	Adjective	Verb	Adverb
sexual practice	Yes	No	No	No
onanism	Yes	No	No	No

sexual practice (noun)	onanism (noun)
activities associated with sexual intercourse	manual stimulation of the genital organs (of yourself or another) for sexual pleasure
	a method of birth control in which coitus is initiated but the penis is deliberately withdrawn before ejaculation