existent

As nouns the difference between taxonomy and existent

is that taxonomy is the science or the technique used to make a classification while existent is (archaic) a being or entity that exists independently.

As an adjective existent is

existing; having life or being, current; occurring now.

Mraidjs is likely misspelled.

Mraidjs has no English definition.

As an adjective existent is

existing; having life or being, current; occurring now.

As a noun existent is

a being or entity that exists independently.