chip at vs engrave

chip at and engrave both are verbs.

Word	Noun	Adjective	Verb	Adverb
chip at	No	No	Yes	No
engrave	No	No	Yes	No

As verbs, engrave is a hyponym of chip at; that is, engrave is a word with a more specific, narrower meaning than chip at:

Other hyponyms of chip at include chisel, grave, inscribe, scratch, etch.

chip at (verb)	engrave (verb)
engrave or cut by chipping away at a surface	carve, cut, or etch into a material or surface
	carve or cut a design or letters into
	carve or cut into a block used for printing or print from such a block
	impress or affect deeply