POPPERS
Scrabble letter values: P3O1P3P3E1R1S1 = 13
Definition
POPPERS is the plural of POPPER.
noun POPPER: British philosopher (born in Austria) who argued that scientific theories can never be proved to be true, but are tested by attempts to falsify them (1902-1994).
Synonyms of POPPER: Karl_Popper, Sir_Karl_Raimund_Popper