dissimulation vs dissembling

dissimulation and dissembling both are nouns.

Word	Noun	Adjective	Verb	Adverb
dissimulation	Yes	No	No	No
dissembling	Yes	No	No	No

As nouns, dissimulation and dissembling are synonyms defined as:

Other synonyms of dissimulation include deceit, deception.

dissimulation (noun)	dissembling (noun)
the act of deceiving	the act of deceiving
	pretending with intention to deceive