municipal note vs note of hand

municipal note and note of hand both are nouns.

Word	Noun	Adjective	Verb	Adverb
municipal note	Yes	No	No	No
note of hand	Yes	No	No	No

As nouns, note of hand is a hypernym of municipal note; that is, note of hand is a word with a broader meaning than municipal note:

municipal note: a municipal debt instrument with a maturity of less than 2 years
note of hand: a promise to pay a specified amount on demand or at a certain time

Other hypernyms of municipal note include note, promissory note.

municipal note (noun)	note of hand (noun)
a municipal debt instrument with a maturity of less than 2 years	a promise to pay a specified amount on demand or at a certain time