Learn how to say Cover-Up correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word cover-up:
concealment or attempted concealment of a mistake, crime, etc
cover up (adverb)
(transitive) to cover completely
when intr, often foll by for to attempt to conceal (a mistake or crime) ⇒ she tried to cover up for her friend
(intransitive) (boxing) to defend the body and head with the arms