better-looking vs good-looking

better-looking and good-looking both are adjectives.

Word	Noun	Adjective	Verb	Adverb
better-looking	No	Yes	No	No
good-looking	No	Yes	No	No

As adjectives, better-looking and good-looking are synonyms defined as:

better-looking and good-looking: pleasing in appearance especially by reason of conformity to ideals of form and proportion

Other synonyms of better-looking include fine-looking, handsome, on fleek, well-favored, well-favoured.

better-looking (adjective)	good-looking (adjective)
pleasing in appearance especially by reason of conformity to ideals of form and proportion	pleasing in appearance especially by reason of conformity to ideals of form and proportion