surety vs guarantor

surety and guarantor both are nouns.

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

As nouns, surety and guarantor are synonyms defined as:

surety and guarantor: one who provides a warrant or guarantee to another

Other synonyms of surety include warranter, warrantor.

surety (noun)	guarantor (noun)
something clearly established	one who provides a warrant or guarantee to another
a guarantee that an obligation will be met
one who provides a warrant or guarantee to another
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