“NINTHLY” is a valid word. — 13 points Scrabble

ninthposition nine in a countable series of things
tinnyof or containing tin
hinnyhybrid offspring of a male horse and a female donkey or ass; usually sterile
linty

hit(baseball) a successful stroke in an athletic contest (especially in baseball)
thy
litthe humanistic study of a body of literature
inna hotel providing overnight lodging for travelers
tina silvery malleable metallic element that resists corrosion; used in many alloys and to coat other metals to prevent corrosion; obtained chiefly from cassiterite where it occurs as tin oxide
linUnited States sculptor and architect whose public works include the memorial to veterans of the Vietnam War in Washington (born in 1959)
til
yinthe dark negative feminine principle in Chinese dualistic cosmology
nila quantity of no importance
nita luminance unit equal to 1 candle per square meter measured perpendicular to the rays from the source
hinancient Hebrew unit of liquid measure = 1.5 gallons
nthlast or greatest in an indefinitely large series

itthe branch of engineering that deals with the use of computers and telecommunications to retrieve and store and transmit information
ina unit of length equal to one twelfth of a foot
hian expression of greeting
lia soft silver-white univalent element of the alkali metal group; the lightest metal known; occurs in several minerals
tia light strong grey lustrous corrosion-resistant metallic element used in strong lightweight alloys (as for airplane parts); the main sources are rutile and ilmenite

NINTHLY