STUMPERS CCCXXXVI

Two words, one of three letters and the other four, differ phonetically by only the last letter sound of the longer word. Both words can be followed by the same five-letter word to make two familiar phrases. The longer phrase is a proper name in U.S. geography. What are the two phrases?

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HINT:
The shorter phrase is a human body part.

Answers:

EAR   CANAL
ERIE CANAL