primal

As an adjective primal

is being the first in time, or history.

As a noun null is

zero, nil; the cardinal number before einn.

Inherent is a related term of primal.

As adjectives the difference between inherent and primal

is that inherent is inherent while primal is being the first in time, or history.

As adjectives the difference between basal and primal

is that basal is relating to, or forming, the base, or point of origin while primal is being the first in time, or history.

As a noun basal

is any basal structure or part.

As adjectives the difference between eldest and primal

is that eldest is superlative of old; greatest in age or seniority while primal is being the first in time, or history.

As adjectives the difference between initiatory and primal

is that initiatory is of or pertaining to initiation while primal is being the first in time, or history.

As a noun initiatory

is an introductory act or rite.

Congenital is a related term of primal.

As adjectives the difference between congenital and primal

is that congenital is congenital: originating before birth and continuing or progressing thereafter while primal is being the first in time, or history.

As an adjective primal is

being the first in time, or history.

As adjectives the difference between primal and keto

is that primal is being the first in time, or history while keto is ketogenic.

As a noun keto is

the carbonyl group of a ketone.

Seminal is a related term of primal.

As adjectives the difference between seminal and primal

is that seminal is seminal while primal is being the first in time, or history.