As nouns the difference between sulu and sull
is that sulu is an all-purpose garment worn by men and women in fiji that to westerners resembles a skirt while sull is (obsolete) a plough.
As a verb sull is
to stop, to refuse to go on (of an animal - example - donkey or a possum plays dead).
sulu
English
Noun
(
en noun)
An all-purpose garment worn by men and women in Fiji that to Westerners resembles a skirt.
References
* http://encarta.msn.com/encyclopedia_761595628_3/Pacific_Islands.html
----
sull
English
Etymology 1
Verb
(
en verb)
to stop, to refuse to go on (of an animal - example - donkey or a possum plays dead)
:* 1992': The mesteño had stopped and '''sulled in the road with its forefeet spread and he sat looking after her. — Cormac McCarthy, ''All The Pretty Horses
Etymology 2
Anglo-Saxon (suluh), (sulh), a plough; compare Old High German suohili a little plough.