oath   
ala voady
The fulfilling of an oath or vow; an oblation, a sacrifice, a propitiation. [Richardson 1885]
aniana
an oath [Richardson 1885]
fanta
an oath. See [Richardson 1885]
fianianana
an oath of affirmation (not a curse) [Hallanger 1973]
mianiana
to take an oath [Richardson 1885, Hallanger 1973]
ngoso
an oath; swearing by. [Richardson 1885]