UNCTUOUSNESSES
Scrabble letter values: U1N1C3T1U1O1U1S1N1E1S1S1E1S1 = 16
Definition
UNCTUOUSNESSES is the plural of UNCTUOUSNESS.
noun UNCTUOUSNESS: smug self-serving earnestness.
Synonyms of UNCTUOUSNESS: fulsomeness, oiliness, oleaginousness, smarminess, unction