俯きがち[utsumukigachi] looking down
俯向く[utsumuku] to hang one's head in shame
俯角[fukaku] depression
俯仰[fugyou] looking up and down
俯仰角[fugyoukaku] angle of elevation

俯向き[utsumuki] lying face down
俯向け[utsumuke] lying face down
俯向ける[utsumukeru] to turn upside down
俯伏[fufuku] prostration
俯伏す[utsubusu] to lie face down (e.g. on the ground, napping on a desk)

下瞰[kakan] looking down on
鳥瞰[choukan] bird's-eye view
俯瞰[fukan] overlooking
俯瞰図[fukanzu] bird's-eye view

鳥瞰図[choukanzu] bird's-eye view
俯瞰撮影[fukansatsuei] high-angle shot
鳥瞰的[choukanteki] bird's-eye