hackwork vs rubbish

hackwork and rubbish both are nouns.

Word	Noun	Adjective	Verb	Adverb
hackwork	Yes	No	No	No
rubbish	Yes	No	Yes	No

As nouns, rubbish is a hypernym of hackwork; that is, rubbish is a word with a broader meaning than hackwork:

hackwork: (Literary & Literary Critical Terms) undistinguished literary work produced to order.
rubbish: nonsensical talk or writing

Other hypernyms of hackwork include applesauce, codswallop, folderol, trash, tripe, trumpery, wish-wash.

hackwork (noun)	rubbish (noun)
professional work done according to formula	nonsensical talk or writing
(Literary & Literary Critical Terms) undistinguished literary work produced to order.	worthless material that is to be disposed of

hackwork (verb)	rubbish (verb)
	attack strongly