Although being related to us means their anatomy had a human-like look to it, there were differences in places like their (http://www.bbc.com/earth/story/20170214-your-face-is-probably-more-primitive-than-a-neanderthals) skull shapes that would have made it difficult for them to blend in today - large heads and faces, pronounced noses and brow ridges
and flat foreheads, to name a few.
Many skull features, including prominent brow ridges
, link H.
Winston Churchill and Steve Jobs had similar sloping foreheads, brow ridges
Competition may explain why males have more robust skulls and brow ridges
Neanderthals were heavily built and muscular, with projecting faces, large teeth, low foreheads, heavy brow ridges
, and chinless jaws.