Navajo Stem -gis Verbal stem occurring in the following root, aspect, and mode combinations: More information Aspect, IMP ... Aspect IMP PERF FUT ITER OPT MOM -GIZ (twist) -GIZ (twist) REV -GIZ (twist) -GIZ (twist) -GIZ (twist) -GIZ (twist) DIST -GIZ (twist) -GIZ (twist) CloseWikiwand - on Seamless Wikipedia browsing. On steroids.