Answer:

taus

Answer	Crossword Clue
TAUS	Greek T's
TAUS	T-shaped crosses
TAUS	Some sorority letters

TAUS	Followers of 1-Acrosses
TAUS	Torque symbols
TAUS	Some crosses
TAUS	Certain crosses
TAUS	Sorority letters
TAUS	St. Anthony's crosses
TAUS	Unstable leptons
TAUS	Letters from Greece

TAUS	Greek consonants
TAUS	Short-lived particles
TAUS	Particles of the lepton family
TAUS	Cross shapes
TAUS	Greek crosses
TAUS	They're cross-shaped
TAUS	Laertes' T's
TAUS	Crosses

TAUS	Elementary particles
TAUS	Greek letters