hospital attendant vs attender

hospital attendant and attender both are nouns.

Word	Noun	Adjective	Verb	Adverb
hospital attendant	Yes	No	No	No
attender	Yes	No	No	No

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

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

Other hypernyms of hospital attendant include attendant, tender.

hospital attendant (noun)	attender (noun)
a male hospital attendant who has general duties that do not involve the medical treatment of patients	someone who waits on or tends to or attends to the needs of another
	a person who is present and participates in a meeting
	someone who listens attentively