coin
n.— «Although Bill Kristol hails the surge as a triumph of “counterinsurgency strategy” in his Time piece, genuine experts say it’s anything but “strategy.” Counterinsurgency, or “coin” in military speak, is holistic. What’s happening in Iraq is anything but.» —“Counterinsurgency for Dummies – and Chickenhawks” by Briam Palmer Huffington Post Aug. 18, 2007. (source: Double-Tongued Dictionary)
Further reading
The words tough, through, and dough all end in O-U-G-H. So why don’t they rhyme? A lively new book addresses the many quirks of English by explaining the history of words and phrases. And: have you ever been in a situation where a group makes...
When there’s no evening meal planned at home, what do you call that scramble to cobble together your own dinner? Some people apply acronyms like YOYO — “you’re on your own” — or CORN, for “Clean Out your Refrigerator...
I wonder whether there might not be a missing hyphen there–“co-in”–or whether maybe it’s closed up through use to rhyme with “join”…