Umm...I can only think of Turtle!
mole
"Turtle"
Seal or swan.
thou
How can the word be 3 letters long if "sand" alone is 4? .
mild
Gnus
putz
erne
An animal having four feet is a quadruped which means four-footed or having four feet.
ebet
chat
AVIA
1 Man Went To Mow Looking for a Place that starts with W is 4 letters long. Second word 4 letters, and ends with m Maybe Room?