Fraulein vs form of address

Fraulein and form of address both are nouns.

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

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

Fraulein: a German courtesy title or form of address for an unmarried woman
form of address: an identifying appellation signifying status or function: e.g. `Mr.' or `General'

Other hypernyms of Fraulein include title, title of respect.

Fraulein (noun)	form of address (noun)
a German courtesy title or form of address for an unmarried woman	an identifying appellation signifying status or function: e.g. `Mr.' or `General'