街角[machikado] street corner
街区[gaiku] block (of land)
街娼[gaishou] prostitute
街図[gaizu] street map
街燈[gaitou] street light

街頭[gaitou] in the street
街道[kaidou] highway (esp. one existing from the Edo period)
街路[gairo] road
街路アドレス[gairoadoresu] street address

兎や角言う[toyakakuiu] to say all kinds of things
まっ四角[masshikaku] square
アフリカの角[afurikanotsuno] horn of Africa
一角[ikkaku] corner
一角の人物[hitokadonojinbutsu] somebody (important)

一角獣[ikkakujuu] unicorn
烏犀角[usaikaku] black rhinoceros horn
鋭角[eikaku] acute angle
外角[gaikaku] outside corner
町角[machikado] street corner