Mammoth Uncensored Word List:
86 words ending with ng, 5 letters long

acing aging ahing aking alang along among aping awing axing being bhang bling boing boong bring brung clang cling clung cuing doing duing dwang dying ehing eking emong ering exing eying fling flong flung going hoing hying icing iring kaing kiang klang klong krang kreng kyang liang lying nying obang ohing oping orang owing phang piing pling plong prang prong ruing slang sling slung spang stang sting stong stung suing swang swing swung thing thong toing twang tying using vying whang wrang wring wrong wrung young