simulation vs dissembling

simulation and dissembling both are nouns.

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

As nouns, dissembling is a hypernym of simulation; that is, dissembling is a word with a broader meaning than simulation:

Other hypernyms of simulation include deceit, deception, dissimulation.

simulation (noun)	dissembling (noun)
the act of giving a false appearance	the act of deceiving
the act of imitating the behavior of some situation or some process by means of something suitably analogous (especially for the purpose of study or personnel training)	pretending with intention to deceive
representation of something (sometimes on a smaller scale)
(computer science) the technique of representing the real world by a computer program