rarebit vs Welsh rarebit

rarebit and Welsh rarebit both are nouns.

Word	Noun	Adjective	Verb	Adverb
rarebit	Yes	No	No	No
Welsh rarebit	Yes	No	No	No

As nouns, rarebit and Welsh rarebit are synonyms defined as:

rarebit and Welsh rarebit: cheese melted with ale or beer served over toast

Other synonyms of rarebit include Welsh rabbit.

rarebit (noun)	Welsh rarebit (noun)
cheese melted with ale or beer served over toast	cheese melted with ale or beer served over toast