Asunder. It has the words "as" and "under", so it is made up of two individual words, making it a compound word.
role-play / horseplay / foreplay / airplay / overplay / game-play / child-play /
Artwork is one word. Art work is two words.
best friend
Blackmail airmail
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
lessworthy
highchair
Compound words with sand:SandbagSandbankSandbarSandblastSandboxSandburgSandcastleSandhogSandlotSandlotterSandmanSandmenSandpaperSandpiperSandpitSandstoneSandstormSandwichCompound words ending with sand:Quicksand
Some compound words ending with 'town' are:boomtowncrosstowndowntownhometownmidtownMotownshantytownuptown
wildfire and housefire.
windshield
superstar megastar
breakdowncomedowncountdowncrackdownknockdownmeltdownrundownshowdownshutdownsplashdownsundown
windmill