One compound word ending with by is.........
Driveby!
The compound word that ends in "look" is "outlook."
Endpoint.
hotub
whiteboard
bookseller
rowboat
bloodbank
snowflake
buckeye
basketballbaseballblackballbutterballdirtballeyeballfootballmeatballsnowballspitballfireballgoofballgumballhighballvolleyball
underage
Compound words that begin or end with the word soft:softbacksoftballsoftboundsoftcoversoftshellsoftware