Shark, sheep, snake and scorpion are creatures. Swan, stork, squirrel and spider are creatures.
stretches sports
stet
seat
Sago
Suez.
Kurd
seer
Stop
a four letter work beginning with S rhys legon :)
Some four letter words beginning with P and ending with S:PadsPalsPansPapsParsPassPatsPawsPaysPeasPecsPegsPensPepsPetsPewsPicsPiesPigsPinsPipsPitsPlusPodsPolsPomsPopsPotsProsPubsPudsPugsPunsPupsPuts
scow.
Urchin