riding breeches vs jodhpur breeches

riding breeches and jodhpur breeches both are nouns.

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

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

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

Other synonyms of riding breeches include jodhpurs.

riding breeches (noun)	jodhpur 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