The noun 'wind' is a common noun; a general word for a moving current of air; a word for any kind of wind.A proper noun is the name of a specific person, place, thing, or a title; for example:Dr. Wind Goodfriend, Associate Professor of Experimental Psychology, Buena Vista University, Storm Lake, IowaWind Gap, PA 18091 or Wind Lake, WI 53185"Gone with the Wind", 1939 movie title.The word 'wind' is also a verb: wind, winds, winding, winded, wound.