collapse    (vi) guhenuka, guhomvoka, gusambūka, gusēnyuka, gusiduka, gusituka
(vt) gusitura
En-En dictionary 
gusiduka (-sidutse)     v    to slide (earth), to collapse
gusituka (-situtse)     v    to fall down, collapse (vi)
gusitukira (-situkiye)     v    to collapse on
gusitukana (-situkanye)     v    to collapse with
gusitura (-situye)     v    to cause to fall in, collapse, to pull out by roots