SYNCLINES is a playable word

syncline Scrabble® Dictionary

noun
pl. synclines
a type of rock formation
121 Playable Words can be made from "SYNCLINES"
   2-Letter Words (9 found)
   3-Letter Words (28 found)
   7-Letter Words (5 found)
   8-Letter Words (1 found)
   9-Letter Words (1 found)