this is an interesting pair. comely has always had the sense of "fair, pretty, ‘nice-looking’, pleasing: in modern use implying a lower or homelier style of personal beauty, which pleases but does not excite admiration"; and homely was originally characteristic of the home, esp. a humble home, and when applied to a person, "of commonplace appearance or features; not beautiful, ‘plain’, uncomely. [E.A.]

[quotes from OED2]


so, getting out the ol' continuum chart,

ugly______________homely___comely_____________beautiful