surety vs recognisance

surety and recognisance both are nouns.

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

As nouns, recognisance is a hyponym of surety; that is, recognisance is a word with a more specific, narrower meaning than surety:

surety: property that your creditor can claim in case you default on your obligation
recognisance: (law) a security entered into before a court with a condition to perform some act required by law; on failure to perform that act a sum is forfeited

Other hyponyms of surety include deposit, earnest, recognizance, stock-purchase warrant, stock warrant, warrant.

surety (noun)	recognisance (noun)
something clearly established	(law) a security entered into before a court with a condition to perform some act required by law; on failure to perform that act a sum is forfeited
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