What rhymes with slapper

2 Syllables
capperclapercrapercrapperdaperflapergapperhapperjaperknaperknapperlaperlappermapermappernapernapperraperrappersaperscrapperslaperslappersnapersnapperstrapertraperwraper
3 Syllables
catnapperentraperentrapperuncaperuncapperunwraperunwrapper
4 Syllables
handicaperhandicapper