Answer:

unc

Answer	Crossword Clue
UNC	Relative, familiarly
UNC	Dad's bro
UNC	Sch. with a Silent Sam Confederate Monument

UNC	Tobacco Road sch.
UNC	Auntie's mate
UNC	Chapel Hill initials
UNC	Auntie's man
UNC	Chapel Hill sch.
UNC	Pop's bro
UNC	Tar Heels' sch.
UNC	James K. Polk's alma mater, briefly

UNC	Family nickname
UNC	Family moniker
UNC	Family member, fondly
UNC	Father's brother, familiarly
UNC	Mom's bro
UNC	Auntie's hubby
UNC	Cuz's father
UNC	Duke's NCAA rival

UNC	Chapel Hill inst.
UNC	Cuz's pop
UNC	The Tar Heels of the NCAA
UNC	Member of the fam
UNC	Fam. member
UNC	Auntie's husband
UNC	Mom's brother, familiarly
UNC	Chapel Hill coll.

UNC	Clear a box in an online form
UNC	The Tar Heels' sch.
UNC	Kay Kyser's college: Init.
UNC	Short for a relative.
UNC	Chapel Hill: Abbr.
UNC	Librarian's abbreviation.
UNC	Like some book pages: Abbr.
UNC	Not abridged: Abbr.

UNC	Relative, familiarly.
UNC	Pop's brother
UNC	Family member, in slang
UNC	Chapel Hill campus, for short
UNC	The Tar Heels: Abbr.