obscurantism vs dissimulation

obscurantism and dissimulation both are nouns.

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

As nouns, dissimulation is a hypernym of obscurantism; that is, dissimulation is a word with a broader meaning than obscurantism:

Other hypernyms of obscurantism include deceit, deception, dissembling.

obscurantism (noun)	dissimulation (noun)
a deliberate act intended to make something obscure	the act of deceiving
a policy of opposition to enlightenment or the spread of knowledge