cant hook vs dog hook

cant hook and dog hook both are nouns.

Word	Noun	Adjective	Verb	Adverb
cant hook	Yes	No	No	No
dog hook	Yes	No	No	No

As nouns, dog hook is a hypernym of cant hook; that is, dog hook is a word with a broader meaning than cant hook:

cant hook: a peavey having a hook instead of a spike; used for handling logs
dog hook: a stout lever with a sharp spike; used for handling logs

Other hypernyms of cant hook include cant dog, peavey, peavy.

cant hook (noun)	dog hook (noun)
a peavey having a hook instead of a spike; used for handling logs	a stout lever with a sharp spike; used for handling logs