ASSIDUOUSNESS Scrabble 14 Words With Friends 17 Scrabble letter values: A1S1S1I1D2U1O1U1S1N1E1S1S1 = 14 Definition noun great and constant diligence and attention. — synonyms: assiduity, concentration See all 301 words you can make from ASSIDUOUSNESS → 13-letter words Words starting with A Words ending with S ← Unscramble different letters