triptych

is likely misspelled.

has no English definition.

As a noun triptych

is a picture or series of pictures painted on three tablets connected by hinges.

As nouns the difference between triptych and trilogy

is that triptych is a picture or series of pictures painted on three tablets connected by hinges while trilogy is a set of three works of art that are connected, and that can be seen either as a single work or as three individual works. They are commonly found in literature, film, or video games.

As nouns the difference between taxonomy and triptych

is that taxonomy is the science or the technique used to make a classification while triptych is (arts) a picture or series of pictures painted on three tablets]] connected by [[hinge|hinges.