wish-wash vs codswallop

wish-wash and codswallop both are nouns.

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

As nouns, wish-wash and codswallop are synonyms defined as:

Other synonyms of wish-wash include applesauce, folderol, rubbish, trash, tripe, trumpery.

wish-wash (noun)	codswallop (noun)
nonsensical talk or writing	nonsensical talk or writing
any thin watery drink