P3A1R1E1N1T1H4E1S1I1S1E1S1
18 points
PARENTHESISES is validvalid
PARENTHESISE, to parenthesize [v]
PARENTHESISE, to put in parentheses, also PARENTHESIZE [v]
PARENTHESISE, to parenthesize [v]
PARENTHESISE, to put in parentheses, also PARENTHESIZE [v]