Purses

3 clues
Winnings
Pocketbooks
Derby prizes
Similar answers:
Abacuses
Abases
Abatises
Abbesses
Abedofroses
Abscesses
Abuses
Abysses
Academicsession
Acanthuses
Accesses
Accuses
Acesonnetverses
Acloseshaveaway
Acrosses
Actresses
Actressesbrittandwhitty
Acutecarenurses
Adamses
Addamses