com·men·ta·tor 
(kŏmən-tā′tər)
(kŏmən-tā′tər)n.
1. A broadcaster or writer who reports and analyzes events in the news.
2. One who writes or delivers a commentary or commentaries.
- perisperm
- perissodactyl
- peristalsis
- peristaltic
- peristaltically
- peristomal
- peristome
- peristomial
- peristylar
- peristyle
- perithecial
- perithecium
- peritonaeum
- peritoneal
- peritoneal dialysis
- peritoneally
- peritoneum
- peritonitis
- peritrich
- peritrichous
- peritrichously
- perivisceral
- periwig
- periwinkle
- periwinkle