Crossword puzzle clue "abbr on a church letter"

Abbr. on a church letter

Church bells sound, I know, you wouldn't know as you're a heathen who's never stepped foot in a church before or even walked by one

Separation of church and church?

Letter that rhymes with its preceding and following letter

Words between a letter and a word starting with that letter

Letter for letter

A letter + smell + a letter + unbiased + a pronoun = ?

Word form made with the big letter depicted in this puzzle's diagram (this letter is entirely absent from the solution)