Coy or coy means speaking or interacting with false or pretended shyness or modesty--
She enjoys the attention; she's just being coy.
Don't be coy; tell them why they should hire you.
Koi or koi ( rhymes with coy ) means the ornamental carp from Japan, often seen in garden ponds --
We should put some koi in the pond.
Give the children some bread to feed the koi.
Now that you know that, you can say--
"She's coy when people admire her koi; she never mentions all the time she spends caring for them."
