Is walked a common noun

The Word walk is both a verb and a noun. The noun walk is a Word for the act of taking a walk or a particular kind of walk, for example a sidewalk, a sky walk, a nature walk, or John Wayne's distinctive walk.

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

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

• The Hollywood Chamber of Commerce's famous 'Walk of Fame'
• Walk Hill Street, Boston, MA
• Walk Her Inn (neighborhood bar), Milwaukee, WI
• 'I Walk The Line', by Johnny Cash