“ASSURORS” is a valid word.

roarsa deep prolonged loud noise
soarsthe act of rising upward into the air
soursa cocktail made of a liquor (especially whiskey or gin) mixed with lemon or lime juice and sugar
saros
surasone of the sections (or chapters) in the Koran
surra
sorusa spore-producing structure in certain lichens and fungi
soras

ours
soura cocktail made of a liquor (especially whiskey or gin) mixed with lemon or lime juice and sugar
roara deep prolonged loud noise
sora
soarthe act of rising upward into the air
oarsan implement used to propel or steer a boat
sousa former French coin of low denomination; often used of any small amount of money
sassan impudent or insolent rejoinder
susstype genus of the Suidae
suraone of the sections (or chapters) in the Koran
ursa
ossaa mouth or mouthlike opening
orra
osara mouth or mouthlike opening

our
assthe fleshy part of the human body that you sit on
sosan internationally recognized distress signal in radio code
soua former French coin of low denomination; often used of any small amount of money
oaran implement used to propel or steer a boat
oraa mouth or mouthlike opening
sau
rasthe network in the reticular formation that serves an alerting or arousal function
ars
ors

sothe syllable naming the fifth (dominant) note of any musical scale in solmization
asa very poisonous metallic element that has three allotropic forms; arsenic and arsenic compounds are used as herbicides and insecticides and various alloys; found in arsenopyrite and orpiment and realgar
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
ora state in northwestern United States on the Pacific
ara colorless and odorless inert gas; one of the six inert gases; comprises approximately 1% of the earth's atmosphere
osa mouth or mouthlike opening

ASSURORS