bridesmaid vs attender

bridesmaid and attender both are nouns.

Word	Noun	Adjective	Verb	Adverb
bridesmaid	Yes	No	No	No
attender	Yes	No	No	No

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

bridesmaid: an unmarried woman who attends the bride at a wedding
attender: someone who waits on or tends to or attends to the needs of another

Other hypernyms of bridesmaid include attendant, tender, adult female, woman.

bridesmaid (noun)	attender (noun)
an unmarried woman who attends the bride at a wedding	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