圧し石[oshiishi] stone weight
一石[isseki] one game (of go)
一石二鳥[issekinichou] killing two birds with one stone
英国石油[eikokusekiyu] British Petroleum
下石[shitaishi] nether millstone

化粧石鹸[keshousekken] toilet soap
化石[kaseki] fossil
化石学[kasekigaku] paleontology
化石層[kasekisou] fossil bed
化石燃料[kasekinenryou] fossil fuel

夏蚕[natsugo] summer silkworms
蚕業[sangyou] sericulture
蚕具[sangu] sericultural equipment
蚕座[sanza] silkworm basket
蚕糸[sanshi] silk thread

蚕糸業[sanshigyou] sericulture industry
蚕糸試験所[sanshishikenjo] silk experiment station
蚕紙[sanshi] silkworm-egg paper
蚕児[sanji] silkworm

蝲蛄[zarigani] crayfish (esp. Japanese crayfish, Cambaroides japonicus)
蝦蛄[shako] mantis shrimp (any marine crustacean of order Stomatopoda, esp. the species Oratosquilla oratoria)
螻蛄[kera] mole cricket (esp. the Oriental mole cricket, Gryllotalpa orientalis)
アメリカ蝲蛄[amerikazarigani] red swamp crayfish (Procambarus clarkii)
蝦蛄葉サボテン[shakobasaboten] Christmas cactus

海蝲蛄[umizarigani] lobster
飛螻蛄[tobikera] caddisfly
飛螻蛄目[tobikeramoku] Trichoptera (the order of insects comprising the caddisflies)
川螻蛄[kawagera] stonefly (any insect of order Plecoptera, esp. those of family Perlidae)
日本蝲蛄[nihonzarigani] Japanese crayfish (Cambaroides japonicus)

虫螻[mushikera] worm
飛螻蛄[tobikera] caddisfly

飛螻蛄目[tobikeramoku] Trichoptera (the order of insects comprising the caddisflies)
川螻蛄[kawagera] stonefly (any insect of order Plecoptera, esp. those of family Perlidae)

飛んでもない[tondemonai] unthinkable
飛竜[peeron] dragon boat (long 22-person canoe used for racing)
一足飛び[issokutobi] (at) one bound
宇宙飛行士[uchuuhikoushi] astronaut
曲飛び[kyokutobi] fancy diving

空飛ぶ[soratobu] to fly in the sky
空飛ぶ円盤[soratobuenban] flying saucer
高飛車[takabisha] high-handed
叱り飛ばす[shikaritobasu] to rebuke strongly
蹴飛ばす[ketobasu] to kick away