Meaning : Overlapping in duration.
Example :
Concurrently with the conference an exhibition of things associated with Rutherford was held.
Going to school and holding a job at the same time.
Synonyms : concurrently
Meaning : Despite anything to the contrary (usually preceding a concession).
Example :
Although I'm a little afraid, however I'd like to try it.
While we disliked each other, nevertheless we agreed.
He was a stern yet fair master.
Granted that it is dangerous, all the same I still want to go.
Synonyms : all the same, even so, however, nevertheless, nonetheless, notwithstanding, still, withal, yet