Ranacross

4 clues
Bumped into
Chanced upon
Stumbled upon
Discovered by accident
Similar answers:
Across
Acrossanddown
Acrosses
Acrosstheboard
Acrosstheborder
Acrossthemersey
Acrossthenation
Acrosstheporter
Acrosstheriver
Acrossthestreet
Acrosstheway
Acrossto
Acrosstown
Airanaria
Amandacross
Americanpinkcross
Anagramcrossing
Anayeforanaye
Arana
Aranas