blasphemy

As nouns the difference between taxonomy and blasphemy

is that taxonomy is the science or the technique used to make a classification while blasphemy is irreverence toward something considered sacred or inviolable.

As an adjective pious

is of or pertaining to piety, exhibiting piety, devout, godfearing.

As a noun blasphemy is

irreverence toward something considered sacred or inviolable.

As nouns the difference between blasphemy and profane

is that blasphemy is irreverence toward something considered sacred or inviolable while profane is a person or thing that is profane.

As an adjective profane is

unclean; ritually impure; unholy, desecrating a holy place or thing.

As a verb profane is

to violate, as anything sacred; to treat with abuse, irreverence, obloquy, or contempt; to desecrate; to pollute; as, to profane the name of God; to profane the Scriptures, or the ordinance of God.