As adjectives the difference between unfiled and unoiled
is that unfiled is that has not been filed while unoiled is not having been oiled.
As a verb unoiled is
(unoil).
unfiled
English
Adjective
(
-)
That has not been filed.
- an unfiled affidavit
unoiled
English
Etymology 1
Adjective
(-)
Not having been oiled.
Etymology 2
Verb
(head)
(unoil)