Examples of four letter compound words are:ontointoupon
four
4 with a small two in the corner
Manhattan Island
It is 4/9 of the small triangle plus the size of the small triangle
It is "k." (A small island is a cay or key.)
key
A four letter word for the noun brook is rill or a burn.
twig
A Wren.
A pony?
slit
Atom
plat
Tiny
tiny
Mesa