Answer: octs

AnswerCrossword Clue
OCTS

Fall mos.

OCTS

World Series mos.

OCTS

Calendar abbreviations.

OCTS
Printers' paper sizes: Abbr.
OCTS
Bk. sizes
OCTSHalloween mos.
OCTSSome mos.
OCTSFall times: Abbr.
OCTSFourth qtr. starters
OCTSSome short months?
OCTSOpal mos.
OCTSShort months?