VIADUCT is a playable word

viaduct Scrabble® Dictionary

noun
pl. viaducts
a type of bridge
48 Playable Words can be made from "VIADUCT"
   2-Letter Words (9 found)
   3-Letter Words (20 found)
   4-Letter Words (13 found)
   5-Letter Words (5 found)
   7-Letter Words (1 found)