お七夜[oshichiya] name-giving ceremony
七つ[nanatsu] seven
七つの海[nanatsunoumi] the seven seas
七屋[nanatsuya] pawnshop
七回忌[shichikaiki] seventh anniversary of a death

七角形[shichikakkei] heptagon
七曲がり[nanamagari] tortuous or spiral (path)
七月[shichigatsu] July
七賢[shichiken] the Seven Wise Men (of Confucius's Analects)

異星人[iseijin] alien (from another planet)
一つ星[hitotsuboshi] evening star
１等星[ittousei] first-magnitude star
衛星[eisei] satellite
衛星地球局[eiseichikyuukyoku] (satellite) earth station

衛星放送[eiseihousou] satellite broadcasting
火星[kasei] Mars (planet)
火星人[kaseijin] Martian
海王星[kaiousei] Neptune (planet)
巨星[kyosei] giant star

瓢虫[tentoumushi] ladybug
干瓢[kanpyou] strips of dried gourd
七星瓢虫[nanahoshitentou] seven-spot ladybird
青瓢箪[aobyoutan] green calabash
瓢箪[hyoutan] gourd

瓢箪鯰[hyoutannamazu] (person) slippery as an eel
千成り瓢箪[sennaripyoutan] bottle gourd
二十八星瓢虫[nijuuyahoshitentou] 28-spotted ladybird (Epilachna vigintioctopunctata)
偽瓢虫[tentoumushidamashi] handsome fungus beetle (any beetle of family Endomychidae)

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