cobalamin vs antipernicious anemia factor

cobalamin and antipernicious anemia factor both are nouns.

Word	Noun	Adjective	Verb	Adverb
cobalamin	Yes	No	No	No
antipernicious anemia factor	Yes	No	No	No

As nouns, cobalamin and antipernicious anemia factor are synonyms defined as:

cobalamin and antipernicious anemia factor: a B vitamin that is used to treat pernicious anemia

Other synonyms of cobalamin include cyanocobalamin, vitamin B12.

cobalamin (noun)	antipernicious anemia factor (noun)
a B vitamin that is used to treat pernicious anemia	a B vitamin that is used to treat pernicious anemia