Mammoth Uncensored Word List:
48 words ending with il, 5 letters long

aboil anvil april argil armil aumil avail basil bezil brail broil cavil civil devil drail droil email ervil flail frail fusil fuzil grail intil kevil meril nihil peril pugil pupil quail reoil scail sigil skail snail spail speil spoil steil swail sybil trail until vakil vexil vigil zoril