From kopto; a cut, i.e. (by analogy) toil (as reducing the strength), literally or figuratively; by implication, pains -- labour, + trouble, weariness.
see GREEK kopto
κόποις (kopois) − 3 Occurrences
κόπον (kopon) − 5 Occurrences
κόπος (kopos) − 2 Occurrences
κόπου (kopou) − 1 Occurrence
κόπους (kopous) − 4 Occurrences
κόπῳ (kopō) − 2 Occurrences
κόπων (kopōn) − 1 Occurrence