retire vs superannuate

retire and superannuate both are verbs.

Word	Noun	Adjective	Verb	Adverb
retire	No	No	Yes	No
superannuate	No	No	Yes	No

As verbs, superannuate is a hyponym of retire; that is, superannuate is a word with a more specific, narrower meaning than retire:

retire: go into retirement; stop performing one's work or withdraw from one's position
superannuate: retire or become ineligible because of old age or infirmity

Other hyponyms of retire include bow out, withdraw.

As verbs, superannuate is a hyponym of retire; that is, superannuate is a word with a more specific, narrower meaning than retire:

retire: make (someone) retire
superannuate: retire and pension (someone) because of age or physical inability

retire (verb)	superannuate (verb)
prepare for sleep	retire or become ineligible because of old age or infirmity
cause to get out	become obsolete
cause to be out on a fielding play	declare to be obsolete
lose interest	retire and pension (someone) because of age or physical inability
pull back or move away or backward
dispose of (something no longer useful or needed)
break from a meeting or gathering
go into retirement; stop performing one's work or withdraw from one's position
withdraw from active participation
make (someone) retire
withdraw from circulation or from the market, as of bills, shares, and bonds