Interestingly, where both are used the nuances are segregated such that
orient: metaphysical/conceptual
orient***: physical/literal

This explains CK's use of "oriention".

...I want to make damn sure I know what the original item was - Stop me....just, stop me!

BillH: Our dear Jackie once quoted that definition for me when I posted (somewhere in the far distant past) "your n'merican ain'tcha", and although I couldn't find it I now know you guy's (not you specifically) were making that pun before... [evil wringing of hands trying to get Jackie to post emoticon]