rick vs haycock

rick and haycock both are nouns.

Word	Noun	Adjective	Verb	Adverb
rick	Yes	No	Yes	No
haycock	Yes	No	No	No

As nouns, haycock is a hyponym of rick; that is, haycock is a word with a more specific, narrower meaning than rick:

rick: a stack of hay
haycock: a small cone-shaped pile of hay that has been left in the field until it is dry enough to carry to the hayrick

rick (noun)	haycock (noun)
a stack of hay	a small cone-shaped pile of hay that has been left in the field until it is dry enough to carry to the hayrick
a painful muscle spasm especially in the neck or back (`rick' and `wrick' are British)

rick (verb)	haycock (verb)
twist suddenly so as to sprain
pile in ricks