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

に過ぎない[nisuginai] no more than
マルコフ過程[marukofukatei] Markov process
為過ぎる[shisugiru] to overdo
一過[ikka] passing away
一過性[ikkasei] transient (pain or fever)

過ぎ[sugi] past
過ぎる[sugiru] to pass through
過ぎ去った可能性[sugisattakanousei] might-have-been
過去る[sugisaru] to pass
過す[sugosu] to pass (time)