Cover-up and Overcloud

Cover-up noun - Something that covers or conceals like a piece of cloth.

Overcloud and cover-up are semantically related. In some cases you can use "Overcloud" instead a verb phrase "Cover-up".

Overcloud verb - To make dark, dim, or indistinct.

Cover-up and overcloud are semantically related. Sometimes you can replace phrase "Cover-up" with "Overcloud", this terms are similar.