-al [-ial, -eal]

(Latin: suffix; pertaining to, like, of the kind of, relating to, characterized by, belonging to; action of, process of)

antediluvial
antenuptial
Relating to events before a marriage; such as, an antenuptial agreement.
anteprandial
Before dinner.
anteromedial
1. In front of and toward the middle line.
2. In medicine, situated anteriorly and to the medial side; preferred to anterointernal.
antibacterial
antiboreal
antibrachial
antimalarial
apicial
apodal
apterygial
arachnidial
Pertaining to the Arachnida.
arachnoideal
An "unnecessary variant" of arachnoid or having the appearance or texture of a spider's web.
arboreal
1. Relating to or resembling a tree.
2. Living in trees; such as, arboreal apes.
3. Adapted for life in trees.
arctogeal
Referring to arctic lands; such as, the arctogeal fauna (animals).