7
key(adjective, lead, head, master, boss)
7
main(adjective, lead, head, master, boss)
6
basal(adjective, lead, pure, head, master)
6
earliest(adjective, primary, primeval)
6
incipient(adjective, beginning)
5
Aboriginal
5
arch(adjective, lead, head, master, boss)
5
elementary(adjective, pure)
5
essential(adjective, pure)
5
formative(adjective, pure, beginning)
5
introductory(adjective, beginning)
5
master(adjective, lead, head, boss)
5
nascent(adjective, pure, beginning)
5
prehistoric(adjective, primary, primeval)
5
primaeval
5
rudimentary
4
beginning(adjective, beginning)
4
capital(adjective, lead, head, master, boss)
4
chaste(adjective, pure)
4
embryonic(adjective, beginning)
11 years ago|8.9k views|share |citing 
APASmart Define. (2015). primal thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/primal/thesaurus/synonyms
ChicagoSmart Define. 2015. "primal thesaurus" https://smartdefine.org/primal/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, primal thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/primal/thesaurus/synonyms>.
MLASmart Define. "primal thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/primal/thesaurus/synonyms>