“SYNGAS” is a valid word. — 10 points Scrabble

saysthe chance to speak
sangNorth American woodland herb similar to and used as substitute for the Chinese ginseng
yangthe bright positive masculine principle in Chinese dualistic cosmology
gayssomeone who practices homosexuality; having a sexual attraction to persons of the same sex
snaga sharp protuberance
sans
nagssomeone (especially a woman) who annoys people by constantly finding fault
naysa negative
sagsa shape that sags
sagy

saythe chance to speak
anyone or some or every or all without specification
assthe fleshy part of the human body that you sit on
gaysomeone who practices homosexuality; having a sexual attraction to persons of the same sex
gasthe state of matter distinguished from the solid and liquid states by: relatively low density and viscosity; relatively great expansion and contraction with changes in pressure and temperature; the ability to diffuse readily; and the spontaneous tendency to become distributed uniformly throughout any container
naya negative
nagsomeone (especially a woman) who annoys people by constantly finding fault
ganseparate the seeds from (cotton) with a cotton gin
saga shape that sags
ays
syn

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
anan associate degree in nursing
ya
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)
ay
aga soft white precious univalent metallic element having the highest electrical and thermal conductivity of any metal; occurs in argentite and in free form; used in coins and jewelry and tableware and photography

SYNGAS