っ放し[] keep ...-ing (negative nuance, with the state being improper, unpleasant, etc.)
テレビ放送[terebihousou] telecast
引き放つ[hikihanatsu] to pull apart
飲み放題[nomihoudai] all you can drink
衛星放送[eiseihousou] satellite broadcasting

下放[kahou] (stock market) slump
下放れ[shitabanare] (stock market) slump
仮釈放[karishakuhou] release on parole
火焔放射器[kaenhoushaki] flamethrower
解放[kaihou] release

威張り散らす[ibarichirasu] to domineer
胃散[isan] stomach medicine
逸散に[issanni] at top speed
一目散[ichimokusan] at full speed
一目散に[ichimokusanni] at full speed

雲散霧消[unsanmushou] vanishing like mist
解散[kaisan] breakup
拡散[kakusan] scattering
閑散[kansan] deserted (esp. store, market, town, streets)
言散らす[iichirasu] to spread (a report)

ランブル鞭毛虫[ranburubenmouchuu] giardia (flagellate protozoan)
ランブル鞭毛虫症[ranburubenmouchuushou] giardiasis
いも虫[imomushi] hornworm (caterpillar of a hawk moth)
益虫[ekichuu] useful insect
円虫類[enchuurui] round worms

夏虫[natsumushi] summer insect
蛔虫[kaichuu] roundworm (Ascaris lumbricoides)
害虫[gaichuu] harmful insect
鈎虫[kouchuu] hookworm
寄生虫[kiseichuu] parasite