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)

緩衝[kanshou] buffered
緩衝器[kanshouki] shock absorber
緩衝地帯[kanshouchitai] buffer zone
刺衝[shishou] stabbing
衝撃[shougeki] shock

衝撃波[shougekiha] shock wave
衝動[shoudou] impulse
衝動行為[shoudoukoui] shock action
衝動買い[shoudougai] impulsive buying
衝突[shoutotsu] collision