Curuva: 'Cu' being the periodic table classification for Copper, the repeated 'ru' coming from how Aurumoth was named, and the 'va' coming from larva, tying it to it's bug typing.
Agugoon: Very similar to the previous one, Ag being for silver, a repettition of the last letter from that first pairing coupled with a different vowel, and a tie to the bug type.
Not very inspired, I know, but it's the best I have.
"When people think of time, they think of a straight line between cause and effect, when actually it's more like a... a big ball of... wibbly-wobbly, timey-wimey... stuff." "Time is not made of lines. It is made of circles. And that is why clocks are round."