cobblers vs bollock

cobblers and bollock both are nouns.

Word	Noun	Adjective	Verb	Adverb
cobblers	Yes	No	No	No
bollock	Yes	No	No	No

As nouns, bollock is a hypernym of cobblers; that is, bollock is a word with a broader meaning than cobblers:

cobblers: a man's testicles
bollock: one of the two male reproductive glands that produce spermatozoa and secrete androgens

Other hypernyms of cobblers include ball, ballock, egg, nut, orchis, testicle, testis.

cobblers (noun)	bollock (noun)
a man's testicles	a pulley-block at the head of a topmast
nonsense	one of the two male reproductive glands that produce spermatozoa and secrete androgens