confound vs gravel

confound is not a noun while gravel is a noun.

Word	Noun	Adjective	Verb	Adverb
confound	No	No	Yes	No
gravel	Yes	No	Yes	No

As verbs, gravel is a hyponym of confound; that is, gravel is a word with a more specific, narrower meaning than confound:

confound: be confusing or perplexing to; cause to be unable to think clearly
gravel: be a mystery or bewildering to

confound (noun)	gravel (noun)
	rock fragments and pebbles

confound (verb)	gravel (verb)
mistake one thing for another	be a mystery or bewildering to
be confusing or perplexing to; cause to be unable to think clearly	cover with gravel
	cause annoyance in; disturb, especially by minor irritations