occupation licence vs occupation license

occupation licence and occupation license both are nouns.

Word	Noun	Adjective	Verb	Adverb
occupation licence	Yes	No	No	No
occupation license	Yes	No	No	No

As nouns, occupation licence and occupation license are synonyms defined as:

occupation licence and occupation license: a license to pursue a particular occupation

occupation licence (noun)	occupation license (noun)
a license to pursue a particular occupation	a license to pursue a particular occupation