ca- in cavort is kin to ka- in ka-boom?! https://en.wiktionary.org/wiki/cavort
Third Night Past Ninth; first act, fifth location
(apart) Wit, if 'tis thy will, grant much good fooling!
Wits, that think to hold thy favor, do oft
turn out fools; and I, that plumb lack thy favor,
pass for smart: for what says Quinapalus?
"A witty fool doth outdo a foolish wit."

