7 distinct Hebrew words appear in this verse.

Quoted or echoed by 1 later passage.

• Matt 24:37 · echo
  "But as the days of Noe were, so shall also the coming of the Son of man be."
  Genesis: the days of Noah — Jesus on the days before his coming

• The Great Flood

2 passages from patristic writers, Reformers, and church catechisms citing this verse.

• Gen 7:4 — For yet seven days, and I will cause it to rain upon the earth forty days and forty nights; and every living substance that I have made will I destroy from off the face of the earth.
• Gen 7:4 — For yet seven days, and I will cause it to rain upon the earth forty days and forty nights; and every living substance that I have made will I destroy from off the face of the earth.
• Gen 7:17 — And the flood was forty days upon the earth; and the waters increased, and bare up the ark, and it was lift up above the earth.
• Gen 7:17 — And the flood was forty days upon the earth; and the waters increased, and bare up the ark, and it was lift up above the earth.
• Matt 4:2 — And when he had fasted forty days and forty nights, he was afterward an hungred.