1) Aboriginal 2) As early as possible 3) Basic 4) Cardinal 5) Central 6) First 7) First or original 8) First, chief 9) First, original 10) First; original 11) Fundamental 12) Important 13) Kind of fear 14) Kind of scream 15) Like some screams 16) Like some therapy 17) Like some urges 18) Of first importance Found on https://www.crosswordclues.com/clue/primal
1) Basic 2) Cardinal 3) Central 4) Early 5) Elemental 6) Fundamental 7) Important 8) Key 9) Prehistoric 10) Primaeval 11) Primeval 12) Primordial Found on https://www.crosswordclues.com/clue/primal
Pri'mal adjective [ Late Latin primalis , from Latin primus the first. See Prime , adjective ] First; primary; original; chief. « It hath the primal eldest curse upon it.» Shak. « The primal duties shine aloft like... Found on http://www.encyclo.co.uk/webster/P/161
first; original; primeval: primal eras before the appearance of life on earth. · of first importance; fundamental: the primal resources of a nation. Found on https://www.infoplease.com/dictionary/primal