site
V8 Splash
swim
Sperm
SUSSEX
shut
oats
sore
witswenswarswagswayswedswigswetswinswoeswuss
That would be the word size.
s for seek
Some four letter words beginning with P and ending with S:PadsPalsPansPapsParsPassPatsPawsPaysPeasPecsPegsPensPepsPetsPewsPicsPiesPigsPinsPipsPitsPlusPodsPolsPomsPopsPotsProsPubsPudsPugsPunsPupsPuts
Sire