“CHIRKER” is a valid word. — 16 points Scrabble

criera person who weeps
hikera foot traveler; someone who goes on an extended walk (for pleasure)
ricera kitchen utensil used for ricing soft foods by extruding them through small holes
chirrmake a vibrant noise, of grasshoppers or cicadas
hirera person responsible for hiring workers
chirkmake a shrill creaking, squeaking, or noise, as of a door, mouse, or bird
icker

richpeople who have possessions and wealth (considered as a group)
ricka painful muscle spasm especially in the neck or back (`rick' and `wrick' are British)
ricegrains used as food either unpolished or more often polished
hirea newly hired employee
heck
heira person who is entitled by law or by the terms of a will to inherit the estate of another
hikea long walk usually for exercise or pleasure
hicka person who is not very intelligent or interested in culture
keir
kier
reck
cire

her
icewater frozen in the solid state
chithe circulating life energy that in Chinese philosophy is thought to be inherent in all things; in traditional Chinese medicine the balance of negative and positive forms in the body is believed to be essential for good health
errto make a mistake or be incorrect
ich
rec
rei
ick
hic
irea strong emotion; a feeling that is oriented toward some real or supposed grievance
kir
hiemove fast
irkirritate or vex
khithe 22nd letter of the Greek alphabet

hea very light colorless element that is one of the six inert gasses; the most difficult gas to liquefy; occurs in economically extractable amounts in certain natural gases (as those found in Texas and Kansas)
hian expression of greeting
eh
era trivalent metallic element of the rare earth group; occurs with yttrium
rea rare heavy polyvalent metallic element that resembles manganese chemically and is used in some alloys; is obtained as a by-product in refining molybdenum

CHIRKER