What's the Kennection? #25

Welcome to Kennections, a weekly quiz created by Jeopardy! champion/co-host Ken Jennings. Here's how to play: All five answers to the questions below have something in common. Can you figure it out? (Note: We've given you a hint by showing you how many letters are contained within the answer, but this quiz is not interactive.)

1.  The town of Kapoho, Hawaii is now uninhabited because it was inundated by what in June 2018?

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2. What rental car company, America’s third largest, chose its name in 1974 to appear alphabetically before competitors in the phone book?

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3. In 2010, the shallot was biologically reclassified as belonging to the same species as what other vegetable?

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4.  The name of the god Thor derives from a Proto-Germanic word for what weather phenomenon?

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5. In a 1939 novelty song, the singer pretends to be what household item, begging, “Tip me over and pour me out”?

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ANSWERS ----->