“GAUGER” is a valid word. — 8 points Scrabble

arguepresent reasons and arguments
gaugea measuring instrument for measuring and indicating a quantity such as the thickness of wire or the amount of rain etc.
augera long flexible steel coil for dislodging stoppages in curved pipes
eggarmoth having nonfunctional mouthparts as adults; larvae feed on tree foliage and spin egg-shaped cocoons
agger
gager
gurge
rugae(anatomy) a fold or wrinkle or crease

geara toothed wheel that engages another toothed mechanism in order to change the speed or direction of transmitted motion
ragea feeling of intense anger
urgean instinctive motive
gagestreet names for marijuana
ureathe chief solid component of mammalian urine; synthesized from ammonia and carbon dioxide and used as fertilizer and in animal feed and in plastics
aguea fit of shivering or shaking
guardrought-tolerant herb grown for forage and for its seed which yield a gum used as a thickening agent or sizing material
grue
ager
gaurwild ox of mountainous areas of eastern India
ruga(anatomy) a fold or wrinkle or crease

area unit of surface area equal to 100 square meters
agehow long something has existed
earthe sense organ for hearing and equilibrium
egganimal reproductive body consisting of an ovum or embryo together with nutritive and protective envelopes; especially the thin-shelled reproductive body laid by e.g. female birds
eraa period marked by distinctive character or reckoned from a fixed point or event
rugfloor covering consisting of a piece of thick heavy fabric (usually with nap or pile)
gaga humorous anecdote or remark intended to provoke laughter
raga small piece of cloth or paper
rueEuropean strong-scented perennial herb with grey-green bitter-tasting leaves; an irritant similar to poison ivy
reg
garprimitive predaceous North American fish covered with hard scales and having long jaws with needlelike teeth
gae
eau
erga cgs unit of work or energy; the work done by a force of one dyne acting over a distance of one centimeter

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
ara colorless and odorless inert gas; one of the six inert gases; comprises approximately 1% of the earth's atmosphere
ae
aga soft white precious univalent metallic element having the highest electrical and thermal conductivity of any metal; occurs in argentite and in free form; used in coins and jewelry and tableware and photography

GAUGER