square and rabbet vs annulet

square and rabbet and annulet both are nouns.

Word	Noun	Adjective	Verb	Adverb
square and rabbet	Yes	No	No	No
annulet	Yes	No	No	No

As nouns, square and rabbet and annulet are synonyms defined as:

square and rabbet and annulet: molding in the form of a ring; at top of a column

Other synonyms of square and rabbet include bandelet, bandelette, bandlet.

square and rabbet (noun)	annulet (noun)
molding in the form of a ring; at top of a column	molding in the form of a ring; at top of a column
	(heraldry) a charge in the shape of a small ring