Is the word hoiday a common noun or noun?

The noun 'holiday' is a common noun, a Word for any holiday of any kind.

A proper noun is the name of a person, place, thing, or a title; for example:

• Billie Holiday, jazz singer
• Holiday, FL 34690
• Holiday Street, Boston, MA
• "The Holiday", 2006 movie with Kate Winslet and Cameron Diaz