onanism vs pulling out

onanism and pulling out both are nouns.

Word	Noun	Adjective	Verb	Adverb
onanism	Yes	No	No	No
pulling out	Yes	No	No	No

As nouns, onanism and pulling out are synonyms defined as:

onanism and pulling out: a method of birth control in which coitus is initiated but the penis is deliberately withdrawn before ejaculation

Other synonyms of onanism include coitus interruptus, withdrawal, withdrawal method.

onanism (noun)	pulling out (noun)
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or another) for sexual pleasure	a method of birth control in which coitus is initiated but the penis is deliberately withdrawn before ejaculation
a method of birth control in which coitus is initiated but the penis is deliberately withdrawn before ejaculation