hierarchical vs hierarchic

hierarchical and hierarchic both are adjectives.

Word	Noun	Adjective	Verb	Adverb
hierarchical	No	Yes	No	No
hierarchic	No	Yes	No	No

As adjectives, hierarchical and hierarchic are synonyms defined as:

hierarchical and hierarchic: classified according to various criteria into successive levels or layers

Other synonyms of hierarchical include hierarchal.

hierarchical (adjective)	hierarchic (adjective)
classified according to various criteria into successive levels or layers	classified according to various criteria into successive levels or layers