[しゅうしゅう, shuushuu] (n, vs) gathering up; collection; accumulation; (P) #3870
[しゅうせき, shuuseki] (n, vs) accumulation; (P) #10312
[ちくせき, chikuseki] (n, vs, adj-no) accumulation; accumulate; store; (P) #10881
[たいせき, taiseki] (n, vs) pile (of things); depositing (in a pile); accumulation (sediment); (P) #11931
[ていたい, teitai] (n, vs) stagnation; tie-up; congestion; retention; accumulation; falling into arrears; (P) #14156
[つみかさね, tsumikasane] (n) pile; accumulation; (P) #19839
[ざいけいちょちく, zaikeichochiku] (n) property accumulation savings
[しほんちくせき, shihonchikuseki] (n) capital accumulation
[しゅうせきてん, shuusekiten] (n) { math } accumulation point; limit point
[すいどく, suidoku] (n) water poisoning (in traditional Chinese medicine, illnesses caused by excessive water accumulation within the body)
[せいぶつちくせき, seibutsuchikuseki] (n) bioaccumulation
[せきせつりょう, sekisetsuryou] (n) amount of snowfall; snow accumulation
[せきぜん, sekizen] (n) accumulation of good deeds
[たいか, taika] (n, vs) accumulation of freight or stock; freight congestion
[ちょりゅう, choryuu] (n, vs) accumulation; retention; collection; sequestration (as in carbon dioxide sequestration); storage (usually a liquid, e.g. rainwater, or behind a dam.)
[るいせき, ruiseki] (n, vs, adj-no) accumulation; (P)
[るいせきさいむ, ruisekisaimu] (n) cumulative debt; debt accumulation
[うっせき, usseki] (n, vs) accumulation (e.g. of emotions, grievances, etc.); buildup; suppression (e.g. of anger)
[あいあい, aiai] (adj-t, adv-to) (See 靄然・1) accumulation of clouds or mist