commissioner vs administrator

commissioner and administrator both are nouns.

Word	Noun	Adjective	Verb	Adverb
commissioner	Yes	No	No	No
administrator	Yes	No	No	No

As nouns, administrator is a hypernym of commissioner; that is, administrator is a word with a broader meaning than commissioner:

Other hypernyms of commissioner include executive.

commissioner (noun)	administrator (noun)
a government administrator	someone who administers a business
a member of a commission	the party appointed by a probate court to distribute the estate of someone who dies without a will or without naming an executor
	someone who manages a government agency or department