also: クリスマスカロル
noun
Christmas carol
Refers to a traditional or religious Christmas song, often sung in groups during the holiday season.
教会でクリスマスキャロルを歌った。
We sang Christmas carols at the church.
街角でクリスマスキャロルが聞こえてきた。
We could hear Christmas carols from the street corner.
Alternate spelling reflecting a slightly different pronunciation; less common.
Spelling with an interpunct; used in some contexts for clarity.
Rare spelling with interpunct and alternate pronunciation.
クリスマスソング is a broader term for any Christmas song, including popular and secular ones, while クリスマスキャロル specifically refers to traditional religious carols.
Borrowed from English 'Christmas carol'.