Mutex isn't latin. The plural of mutex is mutexes.
We need more casual light-heartedness in this line of work considering how much casual bullshit there is.
Not to mention (from way back when) VAX -> VAXen.
Likewise I'm comfortable with "Can't nobody prove nothing", which I think is a succinct way to express an opinion that would be rather awkward when expressed in the prestige dialects of English instead.