hayrack vs hayrig

hayrack and hayrig both are nouns.

Word	Noun	Adjective	Verb	Adverb
hayrack	Yes	No	No	No
hayrig	Yes	No	No	No

As nouns, hayrack and hayrig are synonyms defined as:

hayrack and hayrig: a frame attached to a wagon to increase the amount of hay it can carry

hayrack (noun)	hayrig (noun)
a frame attached to a wagon to increase the amount of hay it can carry	a frame attached to a wagon to increase the amount of hay it can carry
a rack that holds hay for feeding livestock