Most scientist call a shape with 14 sides a "14-gon"
You can also use tetradecagon
There is no such thing as a 1 sided shape nor a two sided shape.
a one sided shape is called a henagon and a 2 sided shape is called a digon
a 2 sided shape is real but a 1 sided shape is not
Tetringon
Dekingon
Hipintigon
Killigon
a circle
A line.
Pintigon
Yes a monogon
The name for a 57 sided shape is derived by combining the name for a 50 sided shape with the name for a 7 sided shape. A 57 sided shape is called a pentacontaheptagon.