Crossword solverSynonyms for oil cartel6 crossword answers for “oil cartel” (3,6), sorted by letter count.How many letters?All6415161711414114 letters 1opec5 letters 1trust6 letters 1cartel7 letters 1combine14 letters 1corporate trust(9,5)41 letters 1Organization of Petroleum-Exporting Countries(12,2,9-9,9)