Clipart is in a similar situation to plugin, that we considered a while ago. Dictionaries seem to list it as two words, without giving the one-word form as an alternative. Yet there are enormous numbers of Web pages that write it as clipart, so it seems the dictionaries are behind the usage trends. I think it should be admitted to our list.
I think veep is definitely an American usage. It seems to come up fairly frequently in US magazine articles about presidential election campaigning, but it's also used for company vice-presidents. You raise an interesting point, Binkie, about the "common" designation of the word. I think if a word is little used in most English-speaking countries, it probably shouldn't be rated as common, even if it is quite common in the most populous English-speaking country, the US. So probably veep ought to be classed as rare. Similarly, if a word is all but unknown in the US, it probably shouldn't be classed as common, no matter how widely used it might be in England or other places. I'd be interested to see what forumites from various parts of the world think about this.
(I wouldn't always apply the same reasoning to differences in the spelling of words that are used everywhere - I think it's probably fair enough that odor and odour are both treated as common.)
I was only vaguely aware of the word crip, and thought of it as an American term, which is backed up by some entries in Oxford Dictionaries that label it as chiefly North American. Perhaps it's spread to Australia in recent years.
I don't remember hearing the word in Australia when I was a kid in the 50s and 60s. I was born with one leg considerably shorter than the other, and I've always worn a bulky built-up boot. As a boy, I did occasionally get called names by other boys, but I don't recall that crip was one of them.
Anyhow, as the word is in some dictionaries, it should be allowed in Chihuahua. Maybe some day we should have a discussion about the question of "offensive" words, but at present we make no attempt to exclude words that might give offense, and I'm fairly strongly of the view that this is the right approach.