I'm searching for a "good" / easy metric to recognize similar places / user input to avoid crreating duplicates.
Levenstein distance works good for Typos like
bakery
bekerry
(Levenstein Distance: 2)
But "fails" for swapped words
St Ursula School
School St. Ursula
(Levenstein Distance: 17)
and additions
Serious Business
Serious Business Incorporated