papill-
combining form 
or papillo-
Etymology: French papill-, from Latin papilla nipple — more at pap 
1. : papilla 
< papilliferous >
< papilliform >
2. : papillary 
< papilledema >
< papilloma >
< papilloretinitis >
3. : papillomatous 
< papillocarcinoma >
< papillosarcoma >
or papillo-
1.
< papilliferous >
< papilliform >
2.
< papilledema >
< papilloma >
< papilloretinitis >
3.
< papillocarcinoma >
< papillosarcoma >