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

banksloping land (especially the slope beside a body of water)
knoba circular rounded projection or protuberance
nona
bonkhave sexual intercourse with
anonat another time
koana paradoxical anecdote or a riddle that has no solution; used in Zen Buddhism to show the inadequacy of logical reasoning
kaonan unstable meson produced as the result of a high-energy particle collision

oakthe hard durable wood of any oak; used especially for furniture and flooring
nanyour grandmother
bana decree that prohibits something
nabtag the base runner to get him out
boaa long thin fluffy scarf of feathers or fur
okaa Turkish unit of weight equal to about 2.75 pounds
nobinformal term for an upper-class or wealthy person
aboa dark-skinned member of a race of people living in Australia when Europeans arrived
kab
koa
koban orange-brown antelope of southeast Africa

onin operation or operational
noa negative
anan associate degree in nursing
ok
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)
bo
baa soft silvery metallic element of the alkali earth group; found in barite
kaunknown god; an epithet of Prajapati and Brahma
aba bachelor's degree in arts and sciences

NONBANK