“KHAPHS” is a valid word. — 18 points Scrabble

hashchopped meat mixed with potatoes and browned
shahtitle for the former hereditary monarch of Iran
hapsan accidental happening
pash
haspa fastener for a door or lid; a hinged metal plate is fitted over a staple and is locked with a pin or padlock
kaphthe 11th letter of the Hebrew alphabet
hahs

hashave or possess, either in a concrete or an abstract sense
askinquire about
shh
ashthe residue that remains when something is burned
hah
spaa health resort near a spring or at the seaside
pas(ballet) a step in dancing (especially in classical ballet)
sapa watery solution of sugars, salts, and minerals that circulates through the vascular system of a plant
sha
hapan accidental happening
pah
ska
aspof southern Europe; similar to but smaller than the adder
kas

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
ah
ha(astronomy) the angular distance of a celestial point measured westward along the celestial equator from the zenith crossing; the right ascension for an observer at a particular location and time of day
paan informal term for a father; probably derived from baby talk
sh
kaunknown god; an epithet of Prajapati and Brahma

KHAPHS