ascendent vs sire

ascendent and sire both are nouns.

Word	Noun	Adjective	Verb	Adverb
ascendent	Yes	Yes	No	No
sire	Yes	No	Yes	No

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

ascendent: someone from whom you are descended (but usually more remote than a grandparent)
sire: the founder of a family

Other hyponyms of ascendent include ancestress, forbear, forebear, father, forefather, foremother, primogenitor, progenitor.

ascendent (noun)	sire (noun)
someone from whom you are descended (but usually more remote than a grandparent)	male parent of an animal especially a domestic animal such as a horse
position or state of being dominant or in control	the founder of a family
	a title of address formerly used for a man of rank and authority

ascendent (adjective)	sire (adjective)
tending or directed upward
most powerful or important or influential

ascendent (verb)	sire (verb)
	make (offspring) by reproduction