Good fortune or luck
A modern phonetic spelling of the English word 'Chance', which originally derived from the Old French 'cheance'. It refers to luck, fortune, or the occurrence of events in the absence of any obvious design.
Less common today
Chanze isn't in the latest US Top 1000. It last peaked at #4,793 in 2014.
US births per 5-year period, 1990βpresent (SSA data).