Answer: kresge

AnswerCrossword Clue
KRESGEKmart founder
KRESGERetail-chain founder
KRESGEThe K in Kmart
KRESGEFifth largest U. S. foundation
KRESGEWoolworth contemporary
KRESGESource of the "K" in Kmart
KRESGEKmart founder S. S.