Answer:

septs

Answer	Crossword Clue
SEPTS	Back-to-school mos.
SEPTS	Fall mos.
SEPTS	Clan divisions

SEPTS	Clans
SEPTS	Family branches
SEPTS	Clans contain these
SEPTS	Dice table winners at Monte Carlo
SEPTS	Winning craps rolls in Monte Carlo
SEPTS	Enclosed areas.
SEPTS	Clans.
SEPTS	Social units.

SEPTS	Tribes.
SEPTS	Social groups.
SEPTS	Ancient Irish clans.
SEPTS	Irish clans.
SEPTS	Old Irish clans.
SEPTS	Partitions
SEPTS	Fall months: Abbr.
SEPTS	Irish clans

SEPTS	Clan subdivisions
SEPTS	Clan units
SEPTS	Back-to-sch. times
SEPTS	"Lucky" numbers, in France
SEPTS	Leaf-turning times: Abbr.
SEPTS	School mos.
SEPTS	Ninth mos.
SEPTS	Times when Mexico and Brazil celebrate their independence: Abbr.

SEPTS	Fall times: Abbr.
SEPTS	Months before Octs.
SEPTS	Back to school mos.
SEPTS	Family lines
SEPTS	Ninth months (Abbr.)
SEPTS	Scottish clans
SEPTS	Family clans
SEPTS	Fall months, for short

SEPTS	Some school mos.
SEPTS	Ninth months, briefly
SEPTS	Some fall months (Abbr.)
SEPTS	Some fall mos.
SEPTS	Some fall months, for short