“UNCURBS” is a valid word. — 11 points Scrabble

burnsUnited States comedian and film actor (1896-1996)
scrubdense vegetation consisting of stunted trees or bushes
curbsan edge between a sidewalk and a roadway consisting of a line of curbstones (usually forming part of a gutter)
rubuslarge genus of brambles bearing berries
uncus(biology) any hook-shaped process or part
curns

burnpain that feels hot as if it were on fire
runsa score in baseball made by a runner touching all four bases safely
cubsan awkward and inexperienced youth
bunsthe fleshy part of the human body that you sit on
curban edge between a sidewalk and a roadway consisting of a line of curbstones (usually forming part of a gutter)
rubsan unforeseen obstacle
snuban instance of driving away or warding off
urnsa large vase that usually has a pedestal or feet
cursan inferior dog or one of mixed breed
nubsa small lump or protuberance
uruslarge recently extinct long-horned European wild ox; considered one of the ancestors of domestic cattle
crusthe leg from the knee to foot
bursseed vessel having hooks or prickles
curn
urbs

runa score in baseball made by a runner touching all four bases safely
sunthe star that is the source of light and heat for the planets in the solar system
busa vehicle carrying many passengers; used for public transport
ruban unforeseen obstacle
suba large sandwich made of a long crusty roll split lengthwise and filled with meats and cheese (and tomato and onion and lettuce and condiments); different names are used in different sections of the United States
bunsmall rounded bread either plain or sweet
cuban awkward and inexperienced youth
urna large vase that usually has a pedestal or feet
uns
curan inferior dog or one of mixed breed
nuba small lump or protuberance
burseed vessel having hooks or prickles
nus
urb

usNorth American republic containing 50 states - 48 conterminous states in North America plus Alaska in northwest North America and the Hawaiian Islands in the Pacific Ocean; achieved independence in 1776
unan organization of independent states formed in 1945 to promote international peace and security
nuthe 13th letter of the Greek alphabet

UNCURBS