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 /
best friend
Blackmail airmail
Some words ending in 'ics' are:athleticsballisticscriticsdomesticselasticsfabricsgraphicshieroglyphicsitalicskineticslinguisticsmathematicsneuroticsorthodonticsparamedicsquadriplegicsrelicsskepticsticsultrasonicsworkaholics
-blacksmith-goldsmith-gunsmith-locksmith-silversmith-tinsmith;;are all compound words ending in -smith
Compound words ending in line: airline, beeline, outline, underline,timberline,hairline, waistline
Compound words ending with belly: beer belly, pot belly
Here are some compound words ending in "star": superstar, lodestar, daystar, and filmstar.
lessworthy
highchair
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
windmill
windshield
wildfire and housefire.