Examples of compound words that end with 'doors' are:
basketballbaseballblackballbutterballdirtballeyeballfootballmeatballsnowballspitballfireballgoofballgumballhighballvolleyball
underage
Trust-worthy :)
upfolddefinitionverb. to fold up or together
There are a few. Stopwatch, wristwatch, and deathwatch. I'm sure there are a few others, too.
The compound word that ends in "look" is "outlook."
One compound word ending with by is......... Driveby!
Endpoint.
bloodbank
buckeye
bookseller
snowflake
hotub
whiteboard
underage
basketballbaseballblackballbutterballdirtballeyeballfootballmeatballsnowballspitballfireballgoofballgumballhighballvolleyball
rowboat