primeval vs primal

primeval and primal both are adjectives.

Word	Noun	Adjective	Verb	Adverb
primeval	No	Yes	No	No
primal	No	Yes	No	No

As adjectives, primeval and primal are synonyms defined as:

primeval and primal: having existed from the beginning; in an earliest or original stage or state

Other synonyms of primeval include aboriginal, primaeval, primordial.

primeval (adjective)	primal (adjective)
having existed from the beginning; in an earliest or original stage or state	having existed from the beginning; in an earliest or original stage or state
	serving as an essential component