Mammoth Uncensored Word List:
95 words ending with il, 7 letters long

airfoil airmail apostil apperil bedevil bedrail bobtail cattail chervil codicil conseil corbeil council curtail deasoil despoil domicil dysodil embroil engrail entrail fantail foxtail fullfil garboil gomeril gumboil hobnail imperil incivil jeofail jetfoil jibsail jonquil lugsail lyophil mandril milfoil monofil netmail nombril nonevil nonjail nonmail nostril outsail oxyphil parboil pasquil pedrail penicil pentail pigtail pintail potboil preboil prevail rattail reavail redtail scissil scurril sexfoil skysail stencil strigil strobil subsoil surveil tendril testril tinfoil titivil toenail toprail topsail topsoil travail trefoil trenail trochil trysail tumbril turmoil uncivil utensil vassail ventail vermeil vessail vitrail volubil wagtail wassail webmail