whistle   
farara
the stalk of certain plants which is made into a small wind instrument like a whistle or flute. [Richardson 1885]
fioka
whistling, whistle. See siaka, sioka. [Richardson 1885]
fitsioka
A whistle. [Richardson 1885]
mifioka
to whistle, as the wind through a roof, to snort like a bull. [Richardson 1885]
to whistle, as a whip, etc [Hallanger 1973]