Here are 12 anagrams with related solutions. If you solve one or two of them, you'll learn the theme, and the rest will likely come easier. Good luck!

AUNT RAISIN
SPIT STAB
DISC OF CIPHER LISTS
DEVASTATED SHINY VENTS
BRITNEY SPEARS
THUDS BIDS
PIANO SPECIALS
HEWS HEAVEN'S JOISTS
LEARN THUS
EMINENT SON
MISS THE DOT
CAROL MACINTOSH

Here are the ANSWERS.

THE ANSWERS:

AUNT RAISIN = UNITARIANS

SPIT STAB = BAPTISTS

DISC OF CIPHER LISTS = DISCIPLES OF CHRIST

DEVASTATED SHINY VENTS = SEVENTH DAY ADVENTISTS

BRITNEY SPEARS = PRESBYTERIANS

THUDS BIDS = BUDDHISTS

PIANO SPECIALS = EPISCOPALIANS

HEWS HEAVEN'S JOISTS = JEHOVAH'S WITNESSES

LEARN THUS = LUTHERANS

EMINENT SON = MENNONITES

MISS THE DOT = METHODISTS

CAROL MACINTOSH = ROMAN CATHOLICS

(and GLORIOUS RUG PIES = RELIGIOUS GROUPS)