saddle feather vs saddle hackle

saddle feather and saddle hackle both are nouns.

Word	Noun	Adjective	Verb	Adverb
saddle feather	Yes	No	No	No
saddle hackle	Yes	No	No	No

As nouns, saddle feather and saddle hackle are synonyms defined as:

saddle feather and saddle hackle: a long narrow feather on the back (saddle) of a domestic fowl

saddle feather (noun)	saddle hackle (noun)
a long narrow feather on the back (saddle) of a domestic fowl	a long narrow feather on the back (saddle) of a domestic fowl