hallah vs challah

hallah and challah both are nouns.

Word	Noun	Adjective	Verb	Adverb
hallah	Yes	No	No	No
challah	Yes	No	No	No

As nouns, hallah and challah are synonyms defined as:

hallah and challah: (Judaism) a loaf of white bread containing eggs and leavened with yeast; often formed into braided loaves and glazed with eggs before baking

hallah (noun)	challah (noun)
(Judaism) a loaf of white bread containing eggs and leavened with yeast; often formed into braided loaves and glazed with eggs before baking	(Judaism) a loaf of white bread containing eggs and leavened with yeast; often formed into braided loaves and glazed with eggs before baking