What rhymes with japer

2 Syllables
capperclapercrapercrapperdaperflapergapperhapperjaperknaperknapperlaperlappermapermappernapernapperraperrappersaperscrapperslaperslappersnapersnapperstrapertraperwraper
3 Syllables
catnapperentraperentrapperuncaperuncapperunwraperunwrapper
4 Syllables
handicaperhandicapper