Here are the possible solutions for they may have caps abbr clue
Answer
Clue
Relevancy
mts
Clue
They may have caps: Abbr.
stl
Clue
Caps on Cardinals' caps
gowns
Clue
They often have matching caps
Definition
GOWN, to dress in a gown (a long, loose outer garment)
knees
Clue
They have caps
Leg joints that have caps
Definition
KNEE, to strike with a joint of the leg
newt
Clue
Gingrich who said "females have biological problems staying in a ditch for thirty days because they get infections and they don't have upper body strength"
Definition
a tailed amphibian of the salamander family, also EWT
italy
Clue
"You may have the universe if I may have ___" (Verdi opera line)