driver's licence vs driving licence

driver's licence and driving licence both are nouns.

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

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

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

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

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