Base words with ‘short’ vowelsBase words with other vowelsChange base’s final y to i before adding suffix
backless
cashless
crustless
endless
godless
gutless
hatless
helpless
jobless
landless
listless
luckless
restless
rimless
selfless
shiftless
skinless
spotless
strapless
tactless
windless
winless
witless
ageless
aimless
artless
baseless
beardless
blameless
bloodless
boneless
boundless
brainless
careless
ceaseless
charmless
cheerless
childless
classless
cloudless
clueless
cordless
countless
dateless
dreamless
faceless
faultless
fearless
flawless
flourless
formless
fruitless
gormless
graceless
hairless
harmless
headless
heartless
heedless
homeless
hopeless
humorless (US)
humourless (UK)
joyless
juiceless
lawless
leafless
lifeless
limitless
loveless
matchless
meatless
mindless
moonless
nameless
noiseless
painless
peerless
pointless
powerless
priceless
roofless
ruthless
seamless
seedless
senseless
shameless
shapeless
shirtless
sightless
sleepless
spineless
stainless
starless
stateless
tasteless
thankless
timeless
tireless
toothless
treeless
tuneless
useless
valueless
voiceless
wordless
worthless
bodiless
merciless
penniless
pitiless