The word levidrome is submitted into the Merriam-Webster Open Dictionary by an anonymous user on November 14, 2017 at 13:10.
The Entry goes like this:
Levidrome(noun) : a word that when spelled backwards turns into a different yet valid English word
One classmate offered up "part" and "trap" as a levidrome on Friday - Jack Knox www.timescolonist.com, October 15, 2017
You can search for the definition yourself by visiting the Merriam-Webster site and enter in levidrome and perform a search.