pretending vs feigning

pretending and feigning both are nouns.

Word	Noun	Adjective	Verb	Adverb
pretending	Yes	No	No	No
feigning	Yes	No	No	No

As nouns, pretending and feigning are synonyms defined as:

Other synonyms of pretending include pretence, pretense, simulation.

pretending (noun)	feigning (noun)
the act of giving a false appearance	the act of giving a false appearance
	pretending with intention to deceive