Wellington boot vs Wellington

Wellington boot and Wellington both are nouns.

Word	Noun	Adjective	Verb	Adverb
Wellington boot	Yes	No	No	No
Wellington	Yes	No	No	No

As nouns, Wellington boot and Wellington are synonyms defined as:

Wellington boot and Wellington: (19th century) a man's high tasseled boot

Other synonyms of Wellington boot include hessian, Hessian boot, jackboot.

Wellington boot (noun)	Wellington (noun)
(19th century) a man's high tasseled boot	(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)