灰篩[haifurui] ash strainer
篩にかける[furuinikakeru] to sieve
篩い分ける[furuiwakeru] to sift
篩い落す[furuiotosu] to sift out
篩い[furui] sieve

エラトステネスの篩[eratosutenesunofurui] Eratosthenes' sieve
回転篩[kaitenburui] trommel
篩う[furuu] to sieve (flour)
篩骨[shikotsu] ethmoid bone (of the skull)
篩部[shibu] phloem