laughter   
fihomehezana
laughter; a laughingstock [Hallanger 1973]
hehy
a laugh, laughter [Richardson 1885, Hallanger 1973]
ikakakakana
to be laughed at, to be the object of loud laughter [Hallanger 1973]
kakakaka
loud laughter [Hallanger 1973]
mampihomehy
to cause laughter; laughable [Hallanger 1973]