Wellington boot vs jackboot

Wellington boot and jackboot both are nouns.

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

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

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

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