basic
important
of import
significant
AF
ab ovo
abecedarian
aboriginal
antenatal
audio frequency
austere
autochthonous
axiom
bare
bare-bones
basal
base
basement
basilar
basis
bearing wall
bed
bedding
bedrock
beginning
bench mark
bottom
budding
cardinal
cardinal point
center
central
chaste
chief thing
climax
component
constituent
constitutional
constitutive
core
cornerstone
creative
crisis
critical
critical point
crucial
crux
factor
harmonic
fundament
definite
essential
psychological
social
Occidental
Oriental
accidental
coincidental
compartmental
continental
dental
departmental
detrimental
developmental
elemental
environmental
experimental
fennel
gentle
governmental
incidental
incremental
instrumental
intercontinental
intergovernmental
judgemental
judgmental
kennel
lentil
mental
monumental
nongovernmental
occidental
oriental
ornamental
pancontinental
parental
phenol
regimental
rental
sentimental
supplemental
temperamental
transcendental
transcontinental
unsentimental