一日増しに[ichinichimashini] day by day
加増[kazou] increase
割り増し金[warimashikin] premium
急増[kyuuzou] rapid increase
増して[mashite] still more

激増[gekizou] sudden increase
建て増す[tatemasu] to extend (building)
水増し[mizumashi] dilution
漸増[zenzou] gradual increase
増す[masu] to increase

ゴミ集積場[gomishuusekijou] village garbage collection point
欝積[usseki] accumulation (e.g. of emotions, grievances, etc.)
沖積[chuuseki] alluvial
沖積期[chuusekiki] alluvial period
沖積世[chuusekisei] alluvial epoch (i.e. the Holocene epoch)

沖積層[chuusekisou] alluvium
沖積土[chuusekido] alluvial soil
下積み[shitazumi] lowest social strata
求積[kyuuseki] mensuration
経路積分[keirosekibun] path integral (physics)