pulling out vs birth prevention

pulling out and birth prevention both are nouns.

Word	Noun	Adjective	Verb	Adverb
pulling out	Yes	No	No	No
birth prevention	Yes	No	No	No

As nouns, birth prevention is a hypernym of pulling out; that is, birth prevention is a word with a broader meaning than pulling out:

pulling out: a method of birth control in which coitus is initiated but the penis is deliberately withdrawn before ejaculation
birth prevention: limiting the number of children born

Other hypernyms of pulling out include birth control, family planning.

pulling out (noun)	birth prevention (noun)
a method of birth control in which coitus is initiated but the penis is deliberately withdrawn before ejaculation	limiting the number of children born