bulgur vs wheat berry

bulgur and wheat berry both are nouns.

Word	Noun	Adjective	Verb	Adverb
bulgur	Yes	No	No	No
wheat berry	Yes	No	No	No

As nouns, wheat berry is a hypernym of bulgur; that is, wheat berry is a word with a broader meaning than bulgur:

bulgur: parched crushed wheat
wheat berry: grains of common wheat; sometimes cooked whole or cracked as cereal; usually ground into flour

Other hypernyms of bulgur include wheat.

bulgur (noun)	wheat berry (noun)
parched crushed wheat	grains of common wheat; sometimes cooked whole or cracked as cereal; usually ground into flour
	a grain of wheat