Cover up and Put up smoke screen

Cover up verb - To keep from being publicly known.

Put up smoke screen and cover up are semantically related in give wrong information intentionally topic. In some cases you can use "Put up smoke screen" instead a verb "Cover up".

Cover up and put up smoke screen are semantically related in disguise topic. Sometimes you can use "Cover up" instead a verb phrase "Put up smoke screen", if it concerns topics such as give wrong information intentionally.