Showdown vs. Showup
Showdownnoun
The final battle between two nemeses, in which there can be but one victor.
Showdownnoun
(poker) The final round in a poker match, where the all remaining players' cards have to be put down on the table and shown.
Showdownnoun
a hostile disagreement face-to-face
Showupnoun
The showing of a suspect to a victim by police in the hope of identifying the suspect as the culprit.
