SIERRA is a playable word

sierra Scrabble® Dictionary

noun
pl. sierras
a mountain range
(adjective) sierran
61 Playable Words can be made from "SIERRA"
   2-Letter Words (9 found)
   3-Letter Words (20 found)
   4-Letter Words (18 found)
   5-Letter Words (11 found)
   6-Letter Words (3 found)