upmerge 

A nautical term, meaning to rise above the surface of the water. The opposite of submerge.

From the deepest, most profound depths of the ocean, the sleek and deadly submarine blew its ballast and began to upmerge.

upmerge by superkev January 11, 2009

unmergency 

A declared emergency that turned out not to be so.

She told me that it was an emergency, but when I got there it turned out to be an unmergency. She just wanted me to come over.

unmergency by Cynicool June 20, 2019