orderly vs attendant

orderly and attendant both are nouns.

Word	Noun	Adjective	Verb	Adverb
orderly	Yes	Yes	No	No
attendant	Yes	Yes	No	No

As nouns, attendant is a hypernym of orderly; that is, attendant is a word with a broader meaning than orderly:

orderly: a male hospital attendant who has general duties that do not involve the medical treatment of patients
attendant: someone who waits on or tends to or attends to the needs of another

Other hypernyms of orderly include attender, tender.

As nouns, attendant is a hypernym of orderly; that is, attendant is a word with a broader meaning than orderly:

orderly: a soldier who serves as an attendant to a superior officer
attendant: someone who waits on or tends to or attends to the needs of another

Other hypernyms of orderly include attender, tender, soldier.

orderly (noun)	attendant (noun)
a male hospital attendant who has general duties that do not involve the medical treatment of patients	an event or situation that happens at the same time as or in connection with another
a soldier who serves as an attendant to a superior officer	someone who waits on or tends to or attends to the needs of another
	a person who is present and participates in a meeting

orderly (adjective)	attendant (adjective)
devoid of violence or disruption	being present (at a meeting or event, etc.)
clean or organized	occurring with or following as a consequence