LINEAL is a playable word

lineal Scrabble® Dictionary

adjective
being directly descended from an ancestor
(adverb) lineally
44 Playable Words can be made from "LINEAL"
   2-Letter Words (11 found)
   3-Letter Words (14 found)
   4-Letter Words (11 found)
   5-Letter Words (6 found)
   6-Letter Words (2 found)