Most of the time, it's easy to recognize which nouns and verbs are related to each other. Here are a few of the cases where the noun form of a verb or the noun form of a descriptor is not immediately apparent because each form was constructed differently.
onidir: to sweat
baarpir: sweat
vaabir: to do
davaab: execution, result
kakovidir: to cower
hut'uun: coward
verborir: to contract
koor: contract
isirir: to taste
lalat: tongue
naritir: to insert
lonar: insertion
morutar: to welcome
olarom: welcome
hailir: to fill
yaihi'l: full
ba'yair: to chew
uram: mouth
waadas: wealth
ne'waadas: poverty, need (as in lacking food, shelter, etc.)
jaon'yc: important
kando: importance, weight