dutch in Tagalog (Philippines), this is called "KKB"
Here are a few off the top of my head...
guilty, involved, suspected, suspicious, engrossed, absorbed, captivated, enthralled, involved, occupied, abstracted, preoccupied, involved, embroiled, engaged, connected, mixed up, entangled, drawn in
credit, gratitude, acknowledgment, thanks, appreciation, respect
Donor, or Sender.
Valise Portmanteau (although this term is not used very much today) Tote, Bag, Purse, Duffle all come to mind.