four feet, forefeet

Four feet or four feet ( two words ) means the four legs of a quadruped animal, or possibly of a table, a piece of furniture, or an appliance--
People have injured cats, trying to find out if they really land on all four feet.
The microwave had four feet on the bottom, but two of them are missing.
Four feet or four feet may also be a measure of distance equal to 48 inches, or a yard and a foot--
The window is about three feet wide and four feet long.

Forefeet or forefeet ( one word, rhymes with four feet ) means the front two legs of a quadruped animal--
He had his forefeet up on the table, and he was wagging his tail.
Both of his forefeet have little spots on them; so we named him Freckles.

Now that you know that, you can say--
"He jumped about four feet in the air, and landed on his forefeet, but he wasn't hurt."

Note--"four legs" means the four legs of a quadruped animal, or of a table or chair--
The dog was running as fast as his four legs would carry him.
This table used to have four legs, but it still stands up with only three.
Not to be confused with "forelegs", meaning the two front legs of a quadruped animal--
He has injured both forelegs, so he hobbles around until the casts come off.
Note # 2--"forepaws" means the two front paws of a quadruped animal, or the paws of the two front legs or feet--
He scratches at things with his forepaws, so we gave him a cardboard box to use for that.
Not to be confused with "four paws", meaning all four of the paws of a quadruped animal, or the paws of all of its legs or feet--
He has one gray spot on each of his four paws, so we named him Spotty.