OPEROSENESS Scrabble 13 Words With Friends 15 Scrabble letter values: O1P3E1R1O1S1E1N1E1S1S1 = 13 Definition noun the quality of requiring extended effort. — synonyms: laboriousness, toilsomeness See all 220 words you can make from OPEROSENESS → 11-letter words Words starting with O Words ending with S ← Unscramble different letters