foremilk vs colostrum

foremilk and colostrum both are nouns.

Word	Noun	Adjective	Verb	Adverb
foremilk	Yes	No	No	No
colostrum	Yes	No	No	No

As nouns, foremilk and colostrum are synonyms defined as:

foremilk and colostrum: milky fluid secreted for the first day or two after parturition

foremilk (noun)	colostrum (noun)
milky fluid secreted for the first day or two after parturition	milky fluid secreted for the first day or two after parturition