濾す[kosu] to filter
濾過[roka] filtration
濾紙[roshi] filter paper
圧濾器[atsuroki] filter press
濾過器[rokaki] strainer

水濾[mizukoshi] water filter
濾液[roeki] filtrate
濾水[rosui] filtered water
濾水タンク[rosuitanku] filter bed
濾水器[rosuiki] water filter

芽胞[gahou] spore
気胞[kihou] bladder
共産党細胞[kyousantousaibou] communist cell
細胞[saibou] cell (biology)
細胞核[saiboukaku] nucleus (cell, biology)

細胞学[saibougaku] cytology
細胞質[saiboushitsu] cytoplasm
細胞膜[saiboumaku] cellular membrane
小液胞[shouekihou] vesicle
單細胞[tansaibou] single cell