* September: the seventh month of the year.
* septet: a group of seven people.
* septum: a partition or wall separating two cavities.
* septuple: seven times as much.
*septuagenarian: a person between the ages of 70–79.
*septuagint: a Greek translation of the Old Testament made in the 3rd century BCE.
*septuplet: one of seven children born at the same time.