EXURB is a playable word

exurb Scrabble® Dictionary

noun
pl. exurbs
a residential area lying beyond the suburbs of a city
(adjective) exurban
14 Playable Words can be made from "EXURB"
   2-Letter Words (5 found)
   3-Letter Words (6 found)
   4-Letter Words (2 found)
   5-Letter Words (1 found)