Arthur Wellesley vs Wellington

Arthur Wellesley and Wellington both are nouns.

Word	Noun	Adjective	Verb	Adverb
Arthur Wellesley	Yes	No	No	No
Wellington	Yes	No	No	No

As nouns, Arthur Wellesley and Wellington are synonyms defined as:

Arthur Wellesley and Wellington: British general and statesman; he defeated Napoleon at Waterloo; subsequently served as Prime Minister (1769-1852)

Other synonyms of Arthur Wellesley include Duke of Wellington, First Duke of Wellington, Iron Duke.

Arthur Wellesley (noun)	Wellington (noun)
British general and statesman; he defeated Napoleon at Waterloo; subsequently served as Prime Minister (1769-1852)	(19th century) a man's high tasseled boot
	the capital of New Zealand
	British general and statesman; he defeated Napoleon at Waterloo; subsequently served as Prime Minister (1769-1852)