jodhpur breeches vs riding breeches

jodhpur breeches and riding breeches both are nouns.

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

As nouns, jodhpur breeches and riding breeches are synonyms defined as:

jodhpur breeches and riding breeches: (used in the plural) flared trousers ending at the calves; worn with riding boots

Other synonyms of jodhpur breeches include jodhpurs.

jodhpur breeches (noun)	riding breeches (noun)
(used in the plural) flared trousers ending at the calves; worn with riding boots	(used in the plural) flared trousers ending at the calves; worn with riding boots