early
important
of import
ab ovo
abecedarian
aboriginal
antenatal
arch
atavistic
austere
autochthonous
banner
bare
basal
basic
basilar
beginning
bodily
born
budding
capital
cardinal
central
champion
chaste
chief
coeval
congenital
connatal
connate
connatural
constituent
constitutional
constitutive
creative
crowning
crucial
dominant
elemental
elementary
embryonic
essential
fetal
first
focal
foremost
formative
foundational
fundamental
generative
genetic
cosmic
eternal
feral
instinctive
inward
mindless
overpower
overwhelm
primitive
primordial
raw
unreasoning
vital
wordless
mesenchymal