thunderstorm    ikivura
En-En dictionary 
ikivura (ibi-  4  class 4
singular: iki-,ic-
plural: ibi-,ivy-
  
storm, thunderstorm
storm    (wind and rain) inkūbi
(wind) inkūrūma
(noise of approaching) umugigimo
(thunderstorm) ikivura
En-En dictionary 
thunder    umuturagaro, inkuba (refers to imaginary animal that makes the thunder)
(to ~) guturagara
(thunderstorm) ikivura
En-En dictionary