“HARDHACK” is a valid word. — 21 points Scrabble

chakra
charka
chadara cloth used as a head covering (and veil and shawl) by Muslim and Hindu women

chardbeet lacking swollen root; grown as a vegetable for its edible leaves and stalks
dachaRussian country house
chark

hardnot easy; requiring great physical or mental effort to accomplish or comprehend or endure
darkabsence of light or illumination
cardone of a set of small pieces of stiff paper marked in various ways and used for playing games or for telling fortunes
hackone who works hard at boring tasks
chada small piece of paper that is supposed to be removed when a hole is punched in a card or paper tape
rackframework for holding objects
archa curved shape in the vertical plane that spans an opening
haha
harklisten; used mostly in the imperative
chara charred substance
arakany of various strong liquors distilled from the fermented sap of toddy palms or from fermented molasses
carkdisturb in mind or make uneasy or cause to be worried or alarmed
haar
dhakEast Indian tree bearing a profusion of intense vermilion velvet-textured blooms and yielding a yellow dye

hadhave or possess, either in a concrete or an abstract sense
cara motor vehicle with four wheels; usually propelled by an internal combustion engine
aahexpress admiration and pleasure by uttering `ooh' or `aah'
aha
hah
ark(Judaism) sacred chest where the ancient Hebrews kept the two tablets containing the Ten Commandments
arcelectrical conduction through a gas in an applied electric field
rada unit of absorbed ionizing radiation equal to 100 ergs per gram of irradiated material
dahthe longer of the two telegraphic signals used in Morse code
rah
cadsomeone who is morally reprehensible
dakEast Indian tree bearing a profusion of intense vermilion velvet-textured blooms and yielding a yellow dye

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
ada public promotion of some product or service
ara colorless and odorless inert gas; one of the six inert gases; comprises approximately 1% of the earth's atmosphere
kaunknown god; an epithet of Prajapati and Brahma
aaa dry form of lava resembling clinkers

HARDHACK