basic
easy
ab ovo
abecedarian
aboriginal
acid
alkali
antenatal
austere
autochthonous
bare
basal
basilar
beginning
biochemical
budding
central
chaste
chemical
chemicobiological
chemicoengineering
chemicomineralogical
chemicophysical
chemurgic
clear
component
constituent
constitutive
copolymeric
copolymerous
creative
crucial
dimeric
dimerous
electrochemical
elemental
embryonic
essential
fetal
formative
foundational
fundamental
generative
genetic
germinal
gestatory
gut
heteromerous
homely
homespun
classical
comprehensive
mathematical
physiological
complementary
entry
gentry
sentry
supplementary