苛斂[karen] oppression (e.g. taxation)
収斂[shuuren] astringency
収斂剤[shuurenzai] an astringent
聚斂[shuuren] (levying of a) heavy taxation

苛斂誅求[karenchuukyuu] imposing exacting (crushing, oppressive) taxes
収斂進化[shuurenshinka] convergent evolution
斂葬[rensou] interment

聚落[juraku] village
聚斂[shuuren] (levying of a) heavy taxation
類聚[ruiju] collection of similar objects

聚散[shuusan] collection and distribution
倭名類聚鈔[wamyouruijushou] Wamyoruijusho (famous Heian-period Japanese dictionary)
聚楽[juraku] grey wall covering material (gray)