INADVERTENCIES
Scrabble letter values: I1N1A1D2V4E1R1T1E1N1C3I1E1S1 = 20
Definition
INADVERTENCIES is the plural of INADVERTENCY.
noun INADVERTENCY: the trait of forgetting or ignoring your responsibilities.
Synonyms of INADVERTENCY: unmindfulness, heedlessness, inadvertence