In a Guardian article, I stumbled over this sentence:
These kind of men deter women from entering politics, when more females representatives is exactly what America needs.
I would have expected to read female representatives here (like green leaves, not greens leaves). Why is it females? Isn’t it used as an adjective here?
It doesn’t seem to be a typo, since I found a few similar cases in a Google search, such as this one in a 2005 book:
As a result of (…), Wales has one of the highest proportions of females representatives in the world, (…)