• 烏カラス

  crow (Corvus spp.), raven

• 烏賊イカ

  cuttlefish, squid

• 烏克蘭ウクライナ

  Ukraine

• 烏木うぼく

  ebony

• 烏龍ウーロン

  oolong (tea)

• 烏有うゆう

  nonexistence

• 烏猫からすねこ

  black cat

• 烏口からすぐち

  ruling pen

• 烏合うごう

  disorderly gathering

• 烏鵲うじゃく

  European magpie (Pica pica)

• 烏滸おこ

  foolish thing, stupid thing, absurdity

• 烏兎うと

  sun and moon

• 烏紙からすがみ

  coarse dark-brown paper

• 烏丸うがん

  Wuhuan (proto-Mongolic nomadic people)

• 烏秋おうちゅう

  black drongo (Dicrurus macrocercus)

• 烏金からすがね

  money lent at daily interest

• 烏鷺うろ

  crows and herons

• 烏瓜からすうり

  Japanese snake gourd (Trichosanthes pilosa)

• 烏鳩からすばと

  Japanese wood pigeon (Columba janthina), black wood pigeon

• 烏頭うず

  dried aconite root (used in traditional Chinese medicine), monkshood

• 烏蛇からすへび

  black Japanese striped snake (Elaphe quadrivirgata), Japanese black ratsnake

• 初烏はつがらす

  crow cawing on New Year's Day

• 山烏やまがらす

  crow in the mountains

• 河烏かわがらす

  brown dipper (Cinclus pallasii)

• 星烏ほしがらす

  spotted nutcracker (Nucifraga caryocatactes)

• 海烏うみがらす

  common murre, common guillemot (Uria aalge)

• 夜烏よがらす

  night crow

• 屋烏おくう

  crow perched on a roof

• 大烏おおがらす

  The Raven (narrative poem by Edgar Allan Poe)

• 明烏あけがらす

  daybreak sound of a crow

• 寒烏かんがらす

  crow in winter

• 烏口骨うこうこつ

  coracoid

• 烏喙骨うかいこつ

  coracoid

• 烏骨鶏うこっけい

  silky fowl, silky

• 烏鳴きからすなき

  cry of the crow

• 烏羽色からすばいろ

  glossy black

• 烏犀角うさいかく

  black rhinoceros horn

• 烏天狗からすてんぐ

  small, crow-billed tengu

• 烏河豚からす

  Chinese puffer (Takifugu chinensis)

• 烏柄杓からすびしゃく

  crow dipper (Pinellia ternata)

• 烏羽玉うばたま

  jet black, pitch dark

• 烏揚羽からすあげは

  Chinese peacock (species of swallowtail butterfly, Papilio bianor)

• 烏帽子えぼし

  eboshi, black-lacquered headgear made of silk, cloth or paper, originally worn by court nobles in ancient Japan

• 甲烏賊こういか

  golden cuttlefish (Sepia esculenta), cuttlefish (any species in the family Sepiidae)

• 深山烏みやまがらす

  rook (species of crow, Corvus frugilegus)

• 大海烏おおうみがらす

  great auk (Pinguinus impennis)

• 鯣烏賊するめいか

  Japanese common squid, Pacific flying squid (Todarodes pacificus)

• 蛸烏賊たこいか

  boreopacific armhook squid (Gonatopsis borealis)

• 蛍烏賊ほたるいか

  firefly squid (Watasenia scintillans), sparkling enope squid

• 赤烏賊あかいか

  red squid, neon flying squid (Ommastrephes bartramii)