Mammoth Uncensored Word List:
38 words ending with ap, 8 letters long

baaskaap baasskap backflap backslap backwrap blackcap claptrap colormap deathcap dronklap dungheap dustheap ethercap ettercap firetrap foolscap giftwrap gladwrap handclap handicap handsoap interlap livetrap microcap muckheap nightcap overheap overleap overwrap photomap rekidnap sandheap sandsoap skullcap slagheap softsoap underlap whitecap