crow's foot vs furrow

crow's foot and furrow both are nouns.

Word	Noun	Adjective	Verb	Adverb
crow's foot	Yes	No	No	No
furrow	Yes	No	Yes	No

As nouns, furrow is a hypernym of crow's foot; that is, furrow is a word with a broader meaning than crow's foot:

Other hypernyms of crow's foot include crease, crinkle, line, seam, wrinkle.

crow's foot (noun)	furrow (noun)
large tree of Australasia	a long shallow trench in the ground (especially one made by a plow)
a wrinkle in the skin at the outer corner of your eyes	a slight depression or fold in the smoothness of a surface

crow's foot (verb)	furrow (verb)
	hollow out in the form of a furrow or groove
	make wrinkled or creased
	cut a furrow into a columns