a 'false friend'
a word that sounds the same as a word in another language, but which has a very different meaning
to coin
to create a word or a phrase
e.g. 'Shakespeare coined at least three hundred words'
coinage
the invention of a word or phrase (a noun form of 'to coin')
e.g. 'Assassination' may be a Shakespearean coinage
'out of the ordinary'
strange, different from what you expected
e.g. One or two phrases seemed a little out of the ordinary