This is a game called "nounverbjectives". The word must work as a noun, verb, and adjective without any alteration in spelling. Syllabic emphasis is, however - and often necessary. A friend and I created this game as kids and have been compiling words since ~ the present list has a few dozen, mostly monosyllabic words like "fit". More syllables, more credit.
Below, the comic strip Cathy has been synthesized into an example of the nounverbjective "fit":
