Correct spelling for the English word "revengs" is [ɹɪvˈɛŋz], [ɹɪvˈɛŋz], [ɹ_ɪ_v_ˈɛ_ŋ_z] (IPA phonetic alphabet).
To inflict pain or injury maliciously in return for injury done, or an affront received; to punish in return- an injury is revenged, a crime avenged.
Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.