Senescent
Aging but still alive.
Example: “Don’t call me old. I like to think of myself as senescent.”
Different than sentient which means having feelings or being alive.
Words Seldom Seen: Empirical
Empirical
Adjective, Derived from experience, not theoretical.
Example: “Communism was a good theory but it certainly failed empirically.”
Words Seldom Seen 1
Syncretism
The union of different or opposing principles, practices, or parties, as in philosophy, language or religion.
Example: “It would be good if you stopped fighting and got a little syncretism going.”