foal vs birth

foal and birth both are nouns.

Word	Noun	Adjective	Verb	Adverb
foal	Yes	No	Yes	No
birth	Yes	No	Yes	No

As verbs, birth is a hypernym of foal; that is, birth is a word with a broader meaning than foal:

Other hypernyms of foal include bear, deliver, give birth, have.

foal (noun)	birth (noun)
a young horse	the event of being born
	a baby born; an offspring
	the process of giving birth
	the kinship relation of an offspring to the parents
	the time when something begins (especially life)

foal (verb)	birth (verb)
give birth to a foal	cause to be born