Primal vs Rudimentary - What's the difference?

Primal is a related term of rudimentary.

is that primal is being the first in time, or history while rudimentary is of or relating to one or more rudiments.

(-)

Being the first in time, or history.

primal man

Being of greatest importance; primary.

(meat trade) Being one of the pieces of meat initially separated from the carcass during butchering, prior to division into smaller cuts.

* (first in time or history ): aboriginal, primaeval/primeval, primordial * (being of greatest importance ): primary

* primal therapist * primal therapy * primality * primally

(en adjective)

of or relating to one or more rudiments

I have only a rudimentary grasp of chemistry .

Basic; minimal; with less than, or only the minimum, necessary.

His grasp of rudimentary English allowed him at least to do the shopping .

His rudimentary driving skills meant that he was a danger on the road .