Translation guide
The word 'orca' refers to the marine mammal also known as the killer whale. In Japanese, it is most commonly referred to by the loanword オルカ or the native term シャチ.
Referring to the marine mammal Orcinus orca.
The most common and standard Japanese word for orca/killer whale. Used in everyday conversation, news, and scientific contexts.
I saw an orca show at the aquarium.
Loanword from English, often used in brand names, aquarium names, or when emphasizing the English term. Less common in daily speech than シャチ.
Kanji form of シャチ. Rarely used in modern writing; mostly seen in literary or historical contexts.
I went to a cafe called Orca.
There is a description of orcas in an old document.