groinal

[ronbutters at AOL.COM]

The -al morpheme is productive. If we can have nasal and and bucal and rectal and corporal and vaginal and anal, why not groinal? (and penile is pronounced the same way almost). We just can't use the ending with non-semi-tehcnical words like knee or mouth-- even hoigh this leaves a lexicosemantic gap (Charlie's chestal is weird to my ears).
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