בְּכוֹר

In the text

• Genesis 4:4מִבְּכֹרוֹת

  while Abel brought the best portions of the firstborn of his flock. And the LORD looked with favor on Abel and his offering,

• Exodus 4:22בְכֹרִי

  Then tell Pharaoh that this is what the LORD says: ‘Israel is My firstborn son,

• Numbers 1:20בְּכֹר

  From the sons of Reuben, the firstborn of Israel, according to the records of their clans and families, counting one by one the names of every male twenty years of age or older who could serve in the army,

• Deuteronomy 12:6וּבְכֹרֹת

  To that place you are to bring your burnt offerings and sacrifices, your tithes and heave offerings, your vow offerings and freewill offerings, as well as the firstborn of your herds and flocks.

• 1 Chronicles 1:13בְּכֹרוֹ

  And Canaan was the father of Sidon his firstborn, and of the Hittites,

• Psalm 78:51בְּכוֹר

  He struck all the firstborn of Egypt, the virility in the tents of Ham.

Brown-Driver-Briggs