“DIOXAN” is a valid word. — 14 points Scrabble

and
dona Spanish gentleman or nobleman
ainbelonging to or on behalf of a specified person (especially yourself); preceded by a possessive
aida resource
noda sign of assent or salutation or command
dina loud harsh or strident noise
iona particle that is electrically charged (positive or negative); an atom or molecule or group that has lost or gained one or more electrons
adoa rapid active commotion
nixa quantity of no importance
aniblack tropical American cuckoo

ina unit of length equal to one twelfth of a foot
onin operation or operational
doan uproarious party
noa negative
anan associate degree in nursing
ida state in the Rocky Mountains
naa silvery soft waxy metallic element of the alkali metal group; occurs abundantly in natural compounds (especially in salt water); burns with a yellow flame and reacts violently in water; occurs in sea water and in the mineral halite (rock salt)
ada public promotion of some product or service
aian agency of the United States Army responsible for providing timely and relevant and accurate and synchronized intelligence to tactical and operational and strategic level commanders
oxan adult castrated bull of the genus Bos; especially Bos taurus
axan edge tool with a heavy bladed head mounted across a handle
xithe cardinal number that is the sum of ten and one
oda doctor's degree in optometry

DIOXAN