石筍[sekijun] stalagmite
筍生活[takenokoseikatsu] selling one's personal effects in order to live
筍医者[takenokoisha] inexperienced doctor
雨後の筍[ugonotakenoko] similar things turning up one after another

筍虫[takenokomushi] horse botfly larva
筍貝[takenokogai] auger shell (Terebra subulata)
海筍貝[umitakegai] dilate piddock (Barnea dilatata)

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