travelling vs traveling

travelling and traveling both are nouns.

Word	Noun	Adjective	Verb	Adverb
travelling	Yes	No	No	No
traveling	Yes	No	No	No

As nouns, travelling and traveling are synonyms defined as:

Other synonyms of travelling include travel.

travelling (noun)	traveling (noun)
the act of going from one place to another	the act of going from one place to another