It is Swedish
We spell calendar as "Kalender" in Swedish.
Swedish (language) - svenska Swedish (adjective, nationality) - svensk
Brick is "Tegelsten" in Swedish.
Cute is "söt" in Swedish.
leave = "lämna" in swedish
April spells "Aprill" in swedish.
Cup in Swedish spells "kopp".
The abbreviation of and, translated into "och" in swedish is "å"
Twenty five is tjugofem in Swedish.
The number 15 is pronounced as "femton" in Swedish.
The number 33 is pronounced as "trettiotre" in Swedish.