rustication vs retirement

rustication and retirement both are nouns.

Word	Noun	Adjective	Verb	Adverb
rustication	Yes	No	No	No
retirement	Yes	No	No	No

As nouns, retirement is a hypernym of rustication; that is, retirement is a word with a broader meaning than rustication:

rustication (noun)	retirement (noun)
the action of retiring to and living in the country	withdrawal from your position or occupation
banishment into the country	withdrawal for prayer and study and meditation
the construction of masonry or brickwork in a rustic manner	the state of being retired from one's business or occupation
temporary dismissal of a student from a university
the condition naturally attaching to life in the country