riding boot vs jodhpur

riding boot and jodhpur both are nouns.

Word	Noun	Adjective	Verb	Adverb
riding boot	Yes	No	No	No
jodhpur	Yes	No	No	No

As nouns, jodhpur is a hyponym of riding boot; that is, jodhpur is a word with a more specific, narrower meaning than riding boot:

riding boot: a boot without laces that is worn for riding horses; part of a riding habit
jodhpur: a short riding boot that fastens with a buckle at the side

Other hyponyms of riding boot include jodhpur boot, jodhpur shoe.

riding boot (noun)	jodhpur (noun)
a boot without laces that is worn for riding horses; part of a riding habit	a short riding boot that fastens with a buckle at the side