hitching bar vs hitchrack

hitching bar and hitchrack both are nouns.

Word	Noun	Adjective	Verb	Adverb
hitching bar	Yes	No	No	No
hitchrack	Yes	No	No	No

As nouns, hitching bar and hitchrack are synonyms defined as:

hitching bar and hitchrack: a fixed horizontal rail to which a horse can be hitched to prevent it from straying

hitching bar (noun)	hitchrack (noun)
a fixed horizontal rail to which a horse can be hitched to prevent it from straying	a fixed horizontal rail to which a horse can be hitched to prevent it from straying