“GUMMOUS” is a valid word. — 12 points Scrabble

momsinformal terms for a mother
smugmarked by excessive complacency or self-satisfaction
sumoa Japanese form of wrestling; you lose if you are forced out of a small ring or if any part of your body (other than your feet) touches the ground
mugsthe quantity that can be held in a mug
gumsa preparation (usually made of sweetened chicle) for chewing
mumsof China
smogair pollution by a mixture of smoke and fog
mumu
mogs

mominformal terms for a mother
mumof China
guma preparation (usually made of sweetened chicle) for chewing
suma quantity of money
mugthe quantity that can be held in a mug
umm
soua former French coin of low denomination; often used of any small amount of money
mos
mustype genus of the Muridae: common house mice; the tips of the upper incisors have a square notch
oms
mog

sothe syllable naming the fifth (dominant) note of any musical scale in solmization
goa time for working (after which you will be relieved by someone else)
usNorth American republic containing 50 states - 48 conterminous states in North America plus Alaska in northwest North America and the Hawaiian Islands in the Pacific Ocean; achieved independence in 1776
um
mma metric unit of length equal to one thousandth of a meter
moan indefinitely short time
muthe 12th letter of the Greek alphabet
om
osa mouth or mouthlike opening

GUMMOUS