Pinot and Red wine

Pinot noun - Any of several purple or white wine grapes used especially for Burgundies and champagnes.

Red wine and pinot are semantically related In some cases you can replace phrase "Red wine" with "Pinot", this terms are similar.

Red wine noun - Wine having a red color derived from skins of dark-colored grapes.

Pinot and red wine are semantically related in wine from dark-colored grapes topic. You can use "Pinot" instead a noun phrase "Red wine".