misconstruction vs mistaking

misconstruction and mistaking both are nouns.

Word	Noun	Adjective	Verb	Adverb
misconstruction	Yes	No	No	No
mistaking	Yes	No	No	No

As nouns, mistaking is a hypernym of misconstruction; that is, mistaking is a word with a broader meaning than misconstruction:

misconstruction: a kind of misinterpretation resulting from putting a wrong construction on words or actions (often deliberately)
mistaking: putting the wrong interpretation on

Other hypernyms of misconstruction include misinterpretation, misunderstanding.

misconstruction (noun)	mistaking (noun)
an ungrammatical constituent	putting the wrong interpretation on
a kind of misinterpretation resulting from putting a wrong construction on words or actions (often deliberately)