driver's license vs driver's licence

driver's license and driver's licence both are nouns.

Word	Noun	Adjective	Verb	Adverb
driver's license	Yes	No	No	No
driver's licence	Yes	No	No	No

As nouns, driver's license and driver's licence are synonyms defined as:

driver's license and driver's licence: a license authorizing the bearer to drive a motor vehicle

Other synonyms of driver's license include driving licence, driving license.

driver's license (noun)	driver's licence (noun)
a license authorizing the bearer to drive a motor vehicle	a license authorizing the bearer to drive a motor vehicle