Taxonomy vs Khalif - What's the difference?

taxonomy | khalif |

As a noun taxonomy

is the science or the technique used to make a classification.

What is the difference between khalif and caliph?

khalif | caliph | Alternative forms |

Khalif is an alternative form of caliph.

As a noun caliph is

the political leader of the muslim world, successor of muhammad's political authority, not religious or spiritual.