As nouns the difference between coverup and undercover
is that coverup is while undercover is a person who works.
As an adjective undercover is
performed or happening in secret.
undercover
English
Adjective
(
en adjective)
Performed or happening in secret.
Employed or engaged in spying or secret investigation.
Synonyms
* clandestine
* See also
Related terms
* cloak-and-dagger
Noun
(
en noun)
A person who works .