Back-to-back and Postmortem

Back-to-back adjective - Following one after another without others coming in between.

Postmortem and back-to-back are semantically related. In some cases you can use "Postmortem" instead an adjective phrase "Back-to-back".

Postmortem adjective - Occurring after one's death.

Back-to-back and postmortem are semantically related. Sometimes you can use "Back-to-back" instead an adjective "Postmortem".