outset vs birth

outset and birth both are nouns.

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

As nouns, birth is a hyponym of outset; that is, birth is a word with a more specific, narrower meaning than outset:

Other hyponyms of outset include incipience, incipiency, starting point, terminus a quo, threshold.

outset (noun)	birth (noun)
the time at which something is supposed to begin	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)

outset (verb)	birth (verb)
	cause to be born