octogon
A shape with sides of equal length is referred to as REGULAR. This has 7 letters.
Rhombus Hexagon Octagon Nonagon Decagon all have 7 letters
it has 7 letters
Any shape can be drawn with equal sides, regardless of the letters in it.
heptagon
heptagon
· Gadwall
Singing
Garters are an item of clothing. It contains 7 letters.
nonagon
A nonagon
It is a pyramid