堆石[taiseki] (terminal) moraine
堆積[taiseki] pile (of things)
堆肥[taihi] compost
堆朱[tsuishu] red lacquerware with patterns carved in relief
堆積作用[taisekisayou] sedimentation

堆積学[taisekigaku] sedimentology
堆積岩[taisekigan] sedimentary rock
堆積物[taisekibutsu] sediment
堆積層[taisekisou] sedimentary layer
堆積輪廻[taisekirinne] cycle of sedimentation

迂廻[ukai] detour
下廻り[shitamawari] subordinate part
廻し[mawashi] mawashi
廻す[mawasu] to turn
廻り路[mawarimichi] detour

廻航[kaikou] navigation
廻状[kaijou] circular
廻心[eshin] conversion
廻転[kaiten] rotation (usu. around something)
廻文[kaibun] circular (document)

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)

ダイヤの指輪[daiyanoyubiwa] diamond ring
一次線輪[ichijisenrin] primary coil
一輪[ichirin] one flower
一輪車[ichirinsha] unicycle
花輪[hanawa] wreath

競輪[keirin] keirin
金輪際[konrinzai] the deepest bottom of the earth
九輪[kurin] kurin (nine vertically stacked rings of a pagoda finial)
結婚指輪[kekkonyubiwa] wedding ring
月の輪[tsukinowa] moon (esp. full moon)