サンプリング周波数[sanpuringushuuhasuu] sampling frequency
波蘭[poorando] Poland
マイクロ波[maikuroha] microwave
ミリ波[miriha] milli-wave
圧力波[atsuryokuha] pressure wave

伊呂波[iroha] traditional ordering of the Japanese syllabary
浦波[uranami] (seaside) breakers
横波[yokonami] side (transverse) wave
音波[onpa] sound wave
寒波[kanpa] cold wave

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