Today I learnt that “obstacle course” is so common as a game mode on Roblox that it is regularly shortened to “obby”, a word I have never heard before in the fifty-two years I have been speaking English.
First syllable plus diminutive is a super, super common English construction though. Beverage to bevy, for a sort of contrived example. Sometimes these take a bit of work to go from the shortened version to the long one.