wheat germ vs alimentation

wheat germ and alimentation both are nouns.

Word	Noun	Adjective	Verb	Adverb
wheat germ	Yes	No	No	No
alimentation	Yes	No	No	No

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

wheat germ: embryo of the wheat kernel; removed before milling and eaten as a source of vitamins
alimentation: a source of materials to nourish the body

Other hypernyms of wheat germ include aliment, nourishment, nutriment, nutrition, sustenance, victuals.

wheat germ (noun)	alimentation (noun)
embryo of the wheat kernel; removed before milling and eaten as a source of vitamins	the act of supplying food and nourishment
	a source of materials to nourish the body