grand    great    (important) –kuru
(to be very) guhāmbāra
(person who is great, severe, wise) akaranda
En-En dictionary 
grand    large    -nini
(grow larger, esp. moon) gutūbūka
En-En dictionary 
grand    tall    –rē-re, muremure etc.
(or big thing, esp. person) ingāma
(e.g. umuntu w'ingama)
(and fat) ikigwīnyīra
En-En dictionary 
plus grand que    taller    (to be ~ than) gusūmba
En-En dictionary 
nyogokuru (ba-)     1  class 1
singular: umu-
plural: aba-
  
grandmother
nyōkuru (ba-)     1  class 1
singular: umu-
plural: aba-
  
grandmother
sēkuru (ba-)     1  class 1
singular: umu-
plural: aba-
  
grandfather (his, their)
sōgokuru (ba-)     1  class 1
singular: umu-
plural: aba-
  
my, your, our grandfather
sōkuru     1  class 1
singular: umu-
plural: aba-
  
my, your, our grandfather
umukēcuru (aba-)     1  class 1
singular: umu-
plural: aba-
  
old woman, widow (not very respectful term, can be used though by little children, or by grandchildren towards their grandmother)
umwuzukuru (ab-  1  class 1
singular: umu-
plural: aba-
  
grandchild
grandchild    umwūzukuru
En-En dictionary 
grandfather    (my, your, our) sōgokuru, sōkuru
(his, their) sēkuru
En-En dictionary 
grandmother    nyogokuru, nyōkuru
En-En dictionary