akabuyē (utu-  7  class 7
singular: aka-,aga-
plural: utu-,udu-
  
pebble, little stone
akabuyēnge (utu-)     7  class 7
singular: aka-,aga-
plural: utu-,udu-
  
small round stone
pebble    akabuye
En-En dictionary 
stone    ibuye
(big) igitāndara, urutāndara
(grinding) urusyo
(rolling) urunāna
(sharpening) irtyāzo
(small, round) akabuyēnge
(three, placed for fireplace) amashiga, izīko
En-En dictionary