surety vs patron

surety and patron both are nouns.

Word	Noun	Adjective	Verb	Adverb
surety	Yes	No	No	No
patron	Yes	No	No	No

As nouns, patron is a hypernym of surety; that is, patron is a word with a broader meaning than surety:

Other hypernyms of surety include sponsor, supporter.

surety (noun)	patron (noun)
something clearly established	a regular customer
a guarantee that an obligation will be met	someone who supports or champions something
one who provides a warrant or guarantee to another	the proprietor of an inn
a prisoner who is held by one party to insure that another party will meet specified terms
property that your creditor can claim in case you default on your obligation