I can only think of compound words such as nightshade, wishbone, cashbox...
Mission, passion, pressure.
chef chat chamber charity
shush
Some words that start with D and end with SH are:Danishdashdemolishdevilishdiminishdishdistinguish
Some words that end with the letters 'sh' are:accomplishadmonishashbrashblushbanishbearishboorishblondishblemishblackishbrownishbullishburnishbrushcrashcherishclashcashdashembellishestablisheyelashfurnishfeverishfinishflourishfoolishflashflushfreshfurbishgarishgirlishghoulishhashhairbrushhushinrushkiddishknishlashmashmeshmushnourishnosholdishoffishposhpushparishperishpublishpolishpurplishquashrashrefurbishrefreshsashslashsmashstashsquishsuccotashsquashsquarishsqueamishskirmishskittishtarnishtoothbrushvarnishvanishwashwishuppish