beastliness

As a noun beastliness

is the state of being beastly.

As a proper noun beast is

(biblical) a figure in the book of revelation (apocalypse), often identified with satan or the antichrist.

As nouns the difference between taxonomy and beastliness

is that taxonomy is the science or the technique used to make a classification while beastliness is the state of being beastly.

As nouns the difference between beastliness and hoggery

is that beastliness is the state of being beastly while hoggery is hoggish character or manners; selfishness; greed; beastliness.

As nouns the difference between beastliness and beastlyhead

is that beastliness is the state of being beastly while beastlyhead is the character or quality of a beast; beastliness.