suckling vs alimentation

suckling and alimentation both are nouns.

Word	Noun	Adjective	Verb	Adverb
suckling	Yes	No	No	No
alimentation	Yes	No	No	No

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

Other hypernyms of suckling include feeding.

suckling (noun)	alimentation (noun)
feeding an infant by giving suck at the breast	the act of supplying food and nourishment
a young mammal that has not been weaned	a source of materials to nourish the body
an infant considered in relation to its nurse