Yes, it is.
Oliver Stone.
Dhamaal
Wholeheartedly is a long word. It begins with the letter w.
Maurice W. Long was born on 1925-04-20.
9665/W
Bill W. is the co-founder of AA
W the Movie - 2009 was released on: USA: 20 March 2009 (New York City, New York)
W. Harwood Long has written: 'A survey of the agriculture of Yorkshire'
war of the worlds
w shop
Yes, one definitely is. The adverb "how" modifies "long" which could be an adjective or an adverb.E.g. How long is the movie? = The movie is long / the movie is very long / the movie is how long.