hackwork vs wish-wash

hackwork and wish-wash both are nouns.

Word	Noun	Adjective	Verb	Adverb
hackwork	Yes	No	No	No
wish-wash	Yes	No	No	No

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

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

Other hypernyms of hackwork include applesauce, codswallop, folderol, rubbish, trash, tripe, trumpery.

hackwork (noun)	wish-wash (noun)
professional work done according to formula	nonsensical talk or writing
(Literary & Literary Critical Terms) undistinguished literary work produced to order.	any thin watery drink