mbabula,
pl. bambabula (class 9/10 (2) : - / - (ba-) : plural invariable from context (or informal/modern ba-))
mbabola,
pl. bambabola (class 9/10 (2) : - / - (ba-) : plural invariable from context (or informal/modern ba-))wrong spelling
barbecue, stove
heater, radiator
