to become lower (of height, prices, pitch, numbers, etc.) / to degenerate; to decline (physically, mentally, etc.) / complete aspect of bumaba

to go down; to descend / to get off; to alight (from a vehicle or animal) / to land (of an airplane) / to decrease; to lower (of quantity or measurement, such as prices, temperature, etc.) / to abdicate; to step down (of officials, kings, etc.) / complete aspect of bumaba

to carry a child piggyback / complete aspect of bumaba

progressive aspect of bumagsak

progressive aspect of bumahing