sneeze    kwāsamura
(to get in nose and cause to ~, as pepper) gusagāra
En-En dictionary 
nose    izūru, itonde
(bridge of) umwīrīri
(nosebleed) umwūna
(to get in and cause to sneeze) gusagāra
En-En dictionary 
gusagāra (-sagāye)     v    1. to multiply (vi), be many (esp. of cows, also of trees), 2. to get in nose and cause to sneeze (as pepper)
kwāsamura (-āsamuye)     v    to sneeze
kwāsamuza (-āsamuje)     v    to cause to sneeze