P3E1R1E1N1N1A1T1E1S1
12 points
PERENNATES is validvalid
PERENNATE, [v PERENNATED, PERENNATES, PERENNATING] : PERENNATION [v]
PERENNATE, to last or live through a number of years, as a perennial plant [v]
PERENNATE, [v PERENNATED, PERENNATES, PERENNATING] : PERENNATION [v]
PERENNATE, to last or live through a number of years, as a perennial plant [v]