different between starchy vs waxypotatoes

English

From starch +? -y.

starchy (comparative starchier or more starchy, superlative starchiest or most starchy)

Of or pertaining to starch.
Containing starch.
Having the quality of fabric starch as applied to fabric; stiff, hard; starched.
- 1942, Emily Carr, The Book of Small, “Sunday,”^[1]
  Beds were made, the dinner-table set, and then we got into our very starchiest and most uncomfortable clothes for church.
Having a starched personality; stiffly formal.

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