1) Bring 2) Bring about 3) Cause 4) Create 5) Exclusively Saxon word 6) Exclusively Anglo word 7) Inflict 8) Inflict as havoc 9) Make 10) Make for 11) Make havoc happen 12) Play 13) Unleash 14) Vent with frenzy 15) Verb with havoc 16) Work 17) Word with Anglo-Saxon origins 18) Word of purely Anglo origin Found on https://www.crosswordclues.com/clue/wreak
• (v. t.) To execute in vengeance or passion; to inflict; to hurl or drive; as, to wreak vengeance on an enemy. • (v. t.) To revenge; to avenge. • (v. i.) To reck; to care. • (v. t.) Revenge; vengeance; furious passion; resentment. Found on http://thinkexist.com/dictionary/meaning/wreak/