English Theasurus that shows all the ways the English word is translated from the original Greek and Hebrew.
English Theasurus from the Hebrew and Greek Strong's Dictionary
unless 0194 -- /uwlay -- if so be, may be, peradventure, {unless}.
unless 0518 -- /im -- (and, can-, doubtless, if, that) (not), + but, either, +except, + more(-over if, than), neither, nevertheless, nor, oh that, or, +save (only, -ing), seeing, since, sith, + surely (no more, none, not),though, + of a truth, + {unless}, + verily, when, whereas, whether, while,+ yet.
unless 1622 ** ektos ** but, except(-ed), other than, out of, outside, {unless},without.
unless 3884 -- luwle/ -- except, had not, if (...not), {unless}, were it not that.