Arabian Nights' Entertainment vs Arabian Nights

Arabian Nights' Entertainment and Arabian Nights both are nouns.

Word	Noun	Adjective	Verb	Adverb
Arabian Nights' Entertainment	Yes	No	No	No
Arabian Nights	Yes	No	No	No

As nouns, Arabian Nights' Entertainment and Arabian Nights are synonyms defined as:

Arabian Nights' Entertainment and Arabian Nights: a collection of folktales in Arabic dating from the 10th century

Other synonyms of Arabian Nights' Entertainment include One Thousand and One Nights, Thousand and One Nights.

Arabian Nights' Entertainment (noun)	Arabian Nights (noun)
a collection of folktales in Arabic dating from the 10th century	a collection of folktales in Arabic dating from the 10th century