What's the difference between dowable and rowable?

Dowable

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Definition:

• (v. t.) Capable of being endowed; entitled to dower.

Example Sentences:

Rowable

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Definition:

• (a.) That may be rowed, or rowed upon.

Example Sentences:

• (1) The Australian Kim Brennan, a competitor in single sculls, was a particularly vociferous critic, insisting the course was “not rowable”.