Uid is a anagram of udi.
As a proper noun Udi
is a Lezgic language (Northeast Caucasian) spoken by the Udi people who live mostly in Azerbaijan and nearby regions. Probably descended from Caucasian Albanian.
As a noun UDI
is
Unilateral Declaration of Independence, (particularly with regard to Rhodesia.
As an abbreviation UID is
unique identifier.
Wis is an anagram of wsi.
As an adverb wis
is (rare|obsolete|or|dialectal) certainly, surely.
As an adjective wis
is (rare|obsolete|or|dialectal) certain.
As a verb wis
is (obsolete|or|archaic) to know.
As an initialism wsi is
(electronics) wafer scale integration.