Swahili nouns, Class - lumps/lumpy substances

kumbwe 'mouthful of food'
tonge 'lump of food' [also Class 9]
PSA Itonge
vumbu 'lump in flour'
poroja 'porridge or similar mass'
kamasi 'nose mucus'
PSA ?Ikamasi, listed as "doubtful" by N&H
povu 'bubble, froth, foam'
PSA IpovU, CB podU
jivu 'ash' [also Class 6]
PSA IvU, CB bU
tope 'mud' [also Classes 6 and 11]
PSA Itope, CB tope
pumba 'lump, clod'
PSA ?mpumba ~ Ipumba
tumbawe 'coral not yet consolidated'
joya 'spongy substance inside coconut shell'
*shata 'lees from making coconut oil' [Ar. sh-]
*shudu 'refuse after seeds crushed for oil' [Ar. sh-]
*sira 'dregs, lees' [Ar. s-]