Crossword Clue:

Not common

Answer	Crossword Clue
ROYAL	Not common
RARE	Not common
REGAL	Not common

PATRICIAN	Not common
ODDER	Not so common
RARER	Not as common.
SEMIRARE	Not too common
RARER	Not so common
SCARCER	Not so common
SCARCER	Not as common
RARER	Not as common

ARCANA	It's not common knowledge
SIDESTREET	Not the common way
SHANT	Not-so-common contraction
ESP	Not-so-common sense
SENSE	"Common" thing that's not always common
SENSE	Something not as common as it's called
SENSE	Something "common" that's not always so common
ANOPTION	What failure is not, in a common saying

CURE	What people with a common cold do not have
TBAR	Lift not as common as it used to be
COMICS	Common newspaper feature not seen in The New York Times
TREX	Animal that shares the theme entries' common trait (though not because of us)