Senor vs form of address

Senor and form of address both are nouns.

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

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

Senor: 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 Senor include title, title of respect.

Senor (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'