Regretfulness (9 letters)

A Gershwin (3 letters)

Anger (3 letters)

Retain (4 letters)

Extreme piques (4 letters)

Keeps (5 letters)

Turn in (6 letters)

Pique at its peak (3 letters)

Made amends (8 letters)

Banked one's money (5 letters)

Red states (4 letters)

Sloth (8 letters)