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

落っこちる[okkochiru] to fall down
お洒落[oshare] smartly dressed
ぽたぽた落ちる[potapotaochiru] to fall in drops
悪洒落[warujare] offensive joke
為落し[shiotoshi] omission

為落ち[shiochi] omission
為落す[shiotosu] to fail to do
一段落[ichidanraku] completing the first stage
猿も木から落ちる[sarumokikaraochiru] even monkeys fall from trees
下落[geraku] depreciation