castaway
deep six
derelict
discard
discarding
disposal
dogie
dumping
elimination
flotsam
flotsam and jetsam
foundling
jetsam
jettison
junk
junking
lagan
orphan
refuse
reject
rejectamenta
rejection
removal
rubbish
scrapping
throwaway
trash
waif
waifs and strays
wastrel
castoffs
blastoff