Señor vs form of address

Señor and form of address both are nouns.

Word	Noun	Adjective	Verb	Adverb
Señor	Yes	No	No	No
form of address	Yes	No	No	No

As nouns, form of address is a hypernym of Señor; that is, form of address is a word with a broader meaning than Señor:

Señor: a Spanish title or form of address for a man; similar to the English `Mr' or `sir'
form of address: an identifying appellation signifying status or function: e.g. `Mr.' or `General'

Other hypernyms of Señor include title, title of respect.

Señor (noun)	form of address (noun)
a Spanish title or form of address for a man; similar to the English `Mr' or `sir'	an identifying appellation signifying status or function: e.g. `Mr.' or `General'