下町[shitamachi] low-lying part of a city (usu. containing shops, factories, etc.)
下町風[shitamachifuu] downtown style
町角[machikado] street corner
漁師町[ryoushimachi] fishing village
港町[minatomachi] port city

市町[shichou] cities and towns
市町村[shichouson] cities, towns and villages
小町[komachi] a belle
城下町[joukamachi] castle town
町屋[chouka] townhouse (i.e. house in the middle of a town)

圧し石[oshiishi] stone weight
一石[isseki] one game (of go)
一石二鳥[issekinichou] killing two birds with one stone
英国石油[eikokusekiyu] British Petroleum
下石[shitaishi] nether millstone

化粧石鹸[keshousekken] toilet soap
化石[kaseki] fossil
化石学[kasekigaku] paleontology
化石層[kasekisou] fossil bed
化石燃料[kasekinenryou] fossil fuel