friendship, championship,
Fannel
godessship
cargo.
Keels .
Hop on a space ship and leave?
If you are talking about the treasure hunt starting at the sunken ship, it ends at the sunken ship. You have to go inside the ship and click on the treasure chest and there you have it, the treasure.
http://www.morewords.com/ends-with/shipauthorshipbattleshipcensorshipchampionshipchairmanshipcitizenshipcourtshipfriendshipguardianshiphardshipleadershiplordshipleuratshiplightshipmarksmanshipmembershipridershiprelationshipscholarshipshowmanshipspaceshipsponsorshipsportsmanshiptutorshipwarshipworshiplaureateshipviewership
The ends of a ship are fore (the front) and aft (the rear), the sides of a ship are port (the left-hand side of a ship as one faces forward) and starboard (the right-hand side of a ship as one faces forward)
starts with a P and ends with an S
nowhere
junk
It may have been "Spaceballs" .