UPRIVER is a playable word

upriver Scrabble® Dictionary

noun
pl. uprivers
an area lying toward the source of a river
35 Playable Words can be made from "UPRIVER"
   2-Letter Words (5 found)
   3-Letter Words (13 found)
   4-Letter Words (11 found)
   5-Letter Words (5 found)
   7-Letter Words (1 found)