actuarial
aerial
alluvial
altricial
beneficial
bestial
biennial
bimestrial
carnassial
celestial
centennial
collegial
colloquial
commercial
congenial
connubial
consequential
controversial
convivial
cordial
crucial
deferential
dolichocranial
editorial
especial
essential
existential
facial
fiducial
filial
financial
fluvial
fossorial
genial(1)
genial(2)
glacial
gressorial
labial
official
presidential
quindecennial
racial
rasorial
residential
sartorial
scansorial
septennial
sexennial
social
spatial
special
substantial
suctorial
superficial
tangential
terrestrial
tonsorial
trivial
uncial
venial
vicennial
