Some four letter words starting with S and ending with F are:selfserfsurf
Three letter words ending in -s are:YesBusAdsCosHasHisInsSisSosWas
Some singular food names that end with S are molasses and watercress.
said is a 4 letter word beginning with s and ending with d
Bellybuttons would be the longest word I can think of beginning with a 'b' and ending in an 's'.
Sausage
Some four letter words starting with S and ending with F are:selfserfsurf
stomata
ActionsActivesActressAnimalsBeachesBeaconsBeaglesBeakersBeaniesBearersBeatersBeavers
sushi
Three letter words ending in -s are:YesBusAdsCosHasHisInsSisSosWas
Is, us, and as are two letter words ending in s.
7 letter S words ending with M:serfdomsymptomsynonymsarcasmsanctumsunbeam
* sensuous * spacious * specious
Succotash,
started
steward, spooned, swelled