ambiguity vs parisology

ambiguity and parisology both are nouns.

Word	Noun	Adjective	Verb	Adverb
ambiguity	Yes	No	No	No
parisology	Yes	No	No	No

As nouns, parisology is a hyponym of ambiguity; that is, parisology is a word with a more specific, narrower meaning than ambiguity:

ambiguity: an expression whose meaning cannot be determined from its context
parisology: the use of ambiguous words

Other hyponyms of ambiguity include loophole, amphibology, amphiboly, double entendre.

ambiguity (noun)	parisology (noun)
unclearness by virtue of having more than one meaning	the use of ambiguous words
an expression whose meaning cannot be determined from its context