Mammoth Uncensored Word List:
33 words ending with ox, 8 letters long

blackbox blackpox bobbysox brainbox breadbox clackbox clangbox clavivox econobox glovebox homeobox horsebox horsepox lightbox loosebox lunchbox matchbox moneybox mousepox orthodox paintbox pressbox saucebox scrumpox sheeppox smallpox snuffbox soundbox sweatbox swinepox voicebox watchbox waterpox