It is all in pronounciation.
Kepics is in Hungarian grammar
Kepic^ is in Slovak
Kepich is in English but all pronounced the same way.
To locate all people coming thru one particular village thru Ellis Island use :www.stevemorse.org
Surname CIPA does list in Slovak Republic. www.zoznamst.sk
17 CIPAs and 22 CZIPAs passed thru Ellis Island.