twin towers vs World Trade Center

twin towers and World Trade Center both are nouns.

Word	Noun	Adjective	Verb	Adverb
twin towers	Yes	No	No	No
World Trade Center	Yes	No	No	No

As nouns, twin towers and World Trade Center are synonyms defined as:

twin towers and World Trade Center: twin skyscrapers 110 stories high in New York City; built 1368 feet tall in 1970 to 1973; destroyed by a terrorist attack on September 11, 2001

Other synonyms of twin towers include WTC.

twin towers (noun)	World Trade Center (noun)
twin skyscrapers 110 stories high in New York City; built 1368 feet tall in 1970 to 1973; destroyed by a terrorist attack on September 11, 2001	twin skyscrapers 110 stories high in New York City; built 1368 feet tall in 1970 to 1973; destroyed by a terrorist attack on September 11, 2001