Perhaps you should try some spelling variations:
swash » swath, awash
slash » flash, clash, slas
sath » sathe, saith, path
sathi » sathei, saithi, pathi, sethi, fathi, kathi
swat » sweat, swan, sat
span » spin
-plate » -plates, -place

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (((swash OR slash) OR smash) OR ((sath OR sathi) OR (swat OR span)))-plate.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((swash or slash) or smash) or ((sath OR sathi) or (swat or span)))-plate".
• Adding a wildcard symbol may retrieve word variants: (((swash or slash) or smash) or ((sath OR sathi) or (swat or span)))-plate*.