Ke Pā vs. Ka Pā (The Disk vs The Plate)

[rabelon]

In Food 2/2, the prompt is "The sweet potato is on the plate."

Wehewehe.org implies in definition 2 that "ka pā" means plate and "ke pā" means disk. DL marks "ka pā" as incorrect every time.

Can a moderator check this, please? Mahalo!

https://forum.duolingo.com/comment/29864970