TENACIOUSNESSES
Scrabble letter values: T1E1N1A1C3I1O1U1S1N1E1S1S1E1S1 = 17
Definition
TENACIOUSNESSES is the plural of TENACIOUSNESS.
noun TENACIOUSNESS: persistent determination.
Synonyms of TENACIOUSNESS: doggedness, perseverance, persistence, persistency, tenacity, pertinacity