Answer:

fifteen

Answer	Crossword Clue
FIFTEEN	Tennis point
FIFTEEN	"... men on the Dead Man's Chest."
FIFTEEN	First word of "Yo-ho-ho, and a bottle of rum!"

FIFTEEN	Number.
FIFTEEN	Football penalty yardage
FIFTEEN	XV
FIFTEEN	One point, in tennis
FIFTEEN	Tennis score
FIFTEEN	Like many a high school sophomore
FIFTEEN	Bart Starr wore it at Green Bay
FIFTEEN	Badminton goal

FIFTEEN	Restaurant tip percentage
FIFTEEN	High number on the pool table
FIFTEEN	The outgoing year, briefly
FIFTEEN	Age for a quinceanera