Trans and Cis
As a result of popular culture (as much as anything else), most people are now aware of the meaning of trans (or transgender).
It refers to someone who was assigned a gender at birth but who later takes steps to affirm another gender that more closely aligns with their true identity.
The trans part is derived from Latin and means ‘across’ or ‘on the other side’. We see it in words that involve crossing boundaries, barriers and other things: transatlantic, transgression, transition, translation …
A bit less familiar is the expression cis, now used to …