saddle feather vs hackle

saddle feather and hackle both are nouns.

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

As nouns, hackle is a hypernym of saddle feather; that is, hackle is a word with a broader meaning than saddle feather:

saddle feather: a long narrow feather on the back (saddle) of a domestic fowl
hackle: long slender feather on the necks of e.g. turkeys and pheasants

saddle feather (noun)	hackle (noun)
a long narrow feather on the back (saddle) of a domestic fowl	long slender feather on the necks of e.g. turkeys and pheasants

saddle feather (verb)	hackle (verb)
	comb with a heckle