sticky bun vs caramel bun

sticky bun and caramel bun both are nouns.

Word	Noun	Adjective	Verb	Adverb
sticky bun	Yes	No	No	No
caramel bun	Yes	No	No	No

As nouns, sticky bun and caramel bun are synonyms defined as:

sticky bun and caramel bun: rolled dough spread with sugar and nuts then sliced and baked in muffin tins with honey or sugar and butter in the bottom

Other synonyms of sticky bun include honey bun, schnecken.

sticky bun (noun)	caramel bun (noun)
rolled dough spread with sugar and nuts then sliced and baked in muffin tins with honey or sugar and butter in the bottom	rolled dough spread with sugar and nuts then sliced and baked in muffin tins with honey or sugar and butter in the bottom