=== Taken from first part of "http://www.bhsc.org.au/wordlist.html" ===

ulu     an Eskimo knife
fugu    a toxin-containing fish
guru    a Hindu spiritual teacher
juju    an object regarded as having magical powers
kudu    a large antelope in Africa
kuru    a disease of the nervous system
luau    a feast in Hawaii
lulu    something remarkable
mumu    a type of garment in Hawaii
sulu    a Melanesian skirt
tutu    a short ballet skirt
ulus    (plural of ulu) Eskimo knife
unau    a two-toed sloth (plural is unai)
urus    an extinct Europeen ox