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

rulera person who rules or commands
rublethe basic unit of money in Tajikistan
bluerof the color intermediate between green and violet; having a color similar to that of a clear unclouded sky
lurer

blueblue color or pigment; resembling the color of the clear sky in the daytime
rulea principle or condition that customarily governs behavior
lurequalities that attract by seeming to promise some kind of reward
blura hazy or indistinct representation
burrseed vessel having hooks or prickles
lubea substance capable of reducing friction by making surfaces smooth or slippery
rubea person who is not very intelligent or interested in culture
burlthe wood cut from a tree burl or outgrowth; often used decoratively in veneer
ruer

ruban unforeseen obstacle
rueEuropean strong-scented perennial herb with grey-green bitter-tasting leaves; an irritant similar to poison ivy
errto make a mistake or be incorrect
bela logarithmic unit of sound intensity equal to 10 decibels
reb`Johnny' was applied as a nickname for Confederate soldiers by the Federal soldiers in the American Civil War; `greyback' derived from their grey Confederate uniforms
brr
burseed vessel having hooks or prickles
leuthe basic unit of money in Moldova
urb

bea light strong brittle grey toxic bivalent metallic element
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
elangular distance above the horizon (especially of a celestial object)

BURLER