primal

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.

Inaugural is a related term of primal.

As adjectives the difference between inaugural and primal

is that inaugural is of inauguration; as in a speech or lecture by the person being inaugurated while primal is being the first in time, or history.

As a noun inaugural

is an inauguration; a formal beginning.

Primal is a related term of oldest.

As adjectives the difference between primal and oldest

is that primal is being the first in time, or history while oldest is (old).

Opening is a related term of primal.

As adjectives the difference between opening and primal

is that opening is (cricket) while primal is being the first in time, or history.

As a verb opening

is .

As a noun opening

is an act or instance of making or becoming open.

Initial is a synonym of primal.

As adjectives the difference between initial and primal

is that initial is chronologically first, early; of or pertaining to the beginning, cause or origin while primal is being the first in time, or history.

As a noun initial

is the first letter of a word or a name.

As a verb initial

is to sign one's initial(s), as an abbreviated signature.