what ‧ not /ˈwɒtnɒt $ ˈwɑːtnɑːt, ˈwʌt-/ BrE AmE noun
[ Date: 1500-1600 ; Origin: what not? ]
and whatnot spoken an expression used at the end of a list of things when you do not want to give the names of everything:
Put your bags, cases, and whatnot in the back of the car.