argus-eyed vs hawk-eyed

argus-eyed and hawk-eyed both are adjectives.

Word	Noun	Adjective	Verb	Adverb
argus-eyed	No	Yes	No	No
hawk-eyed	No	Yes	No	No

As adjectives, argus-eyed and hawk-eyed are synonyms defined as:

Other synonyms of argus-eyed include keen-sighted, lynx-eyed, quick-sighted, sharp-eyed, sharp-sighted.

argus-eyed (adjective)	hawk-eyed (adjective)
carefully observant or attentive; on the lookout for possible danger	having very keen vision
having very keen vision