cockup vs ballup

cockup and ballup both are nouns.

Word	Noun	Adjective	Verb	Adverb
cockup	Yes	No	No	No
ballup	Yes	No	No	No

As nouns, cockup and ballup are synonyms defined as:

Other synonyms of cockup include balls-up, mess-up.

cockup (noun)	ballup (noun)
something badly botched or muddled	something badly botched or muddled