Shut-Seal, Scare-Startle, Slap-Strike, Skinny-Slim,
Sneaker-Shoe, Slippery-Slick, Shank-Shiv, Etc...
Speculation, surmise, supposition, suspicion and sentiment are synonyms for opinion and thought. They begin with S.
Sepia, sorrel
to sit
Some three letter words starting with "s" are:sacsadsagsapsatsawsayseaseesetsewsexsheshysinsipsirsitsixslysobsodsonsopsotsowsoyspaspystysuesumsun
A snake name starting with the letter "S" could be "Sammy" or "Sylvester".
Sincere is an adjective. It begins with the letter s.
Some synonyms for the verb reject that start with S are shun or spurn.
Seta is a 4-letter word for hair or bristle starting with S.
StreamSheetSpearSlimeSweetSweat
sacrificiallysocializationsophisticationsportsmanshipspecificationstabilizationstandardizingstrengtheningsubcontractorsubstantiallysuperficiallysyllabication
Some four letter words starting with S and ending with F are:selfserfsurf
"Starting" "Stirring" "Stomping"