Apocalypse described in Revelations there are seven churches of Asia, seven candlesticks, seven stars, seven trumpets, seven spirits before the throne of God, seven horns, seven vials, seven plagues, a seven-headed monster, and the lamb with seven eyes ...
days in a week
The prefix hept- comes from Greek "hepta" and means "seven." The prefix "sept- comes from the Latin "septem," which means "seven." The correct English name for a 7-sides polygon is "heptagon." Those who do not understand that English polygon names are derived from Greek, not from Latin, sometimes incorrectly name a 7-sided polygon as a septagon.
Inches comes after centimeters.
Try the phrase, "The seven seas have seven tides, a heptagon has seven sides."
A seven sided polygon is called a heptagon
There are 21 vertices in seven triangles.
Soda comes in groups of 6
heptad
days
eggs
tires
Octets do.
quintuplets
what comes in groups of 12
The seven major chemical groups are alcohols, aldehydes, ketones, carboxylic acids, amines, amides, and ethers. These groups have unique chemical properties and are found in various organic compounds.
Fingers and toes?
Bakers dozen
baseball teams