palpicorn
peppercorn
pibcorn
pilcorn
plenicorn
plumicorn
popcorn
preadorn
preborn
prestubborn
pronghorn
Hmm... I think you mean "peppercorn", yah? Those motivated a lot of international trade.
"An ear tuft of feathers, as in the horned owls."
I... didn't realise there was a word for that.