Bedspring, mainspring are two that come to mind.
Some compound words ending with "load" include: Overload Upload Download Payload
Compound words with sand:SandbagSandbankSandbarSandblastSandboxSandburgSandcastleSandhogSandlotSandlotterSandmanSandmenSandpaperSandpiperSandpitSandstoneSandstormSandwichCompound words ending with sand:Quicksand
One such word is springboard. Another is springtime.
mudslide landslide backslide
In compound words, the plural ending is usually added to the main noun or the word that is being pluralized. For example, in "cupcakes," the plural ending "-s" is added to the main noun "cake" rather than the modifier "cup."
Compound words ending in line: airline, beeline, outline, underline,timberline,hairline, waistline
-blacksmith-goldsmith-gunsmith-locksmith-silversmith-tinsmith;;are all compound words ending in -smith
Compound words ending with belly: beer belly, pot belly
Here are some compound words ending in "star": superstar, lodestar, daystar, and filmstar.
highchair
clipartcounterpartdogcartoxcartpushcartsweetheartupstart
lessworthy
Some compound words ending with "load" include: Overload Upload Download Payload
Compound words with sand:SandbagSandbankSandbarSandblastSandboxSandburgSandcastleSandhogSandlotSandlotterSandmanSandmenSandpaperSandpiperSandpitSandstoneSandstormSandwichCompound words ending with sand:Quicksand
Some compound words ending with 'town' are:boomtowncrosstowndowntownhometownmidtownMotownshantytownuptown
breakdowncomedowncountdowncrackdownknockdownmeltdownrundownshowdownshutdownsplashdownsundown
windmill