There are 16 words that start with 'arter'.
| artery | arterial |
| arteries | arterials |
| arteriole | arteritis |
| arterially | arteriolar |
| arterioles | arteriogram |
| arteritides | arteriograms |
| arteriography | arteriovenous |
| arteriographic | arteriographies |
Note: These 16 words that start with 'arter' are found from the USA & Canada version of the tournament Scrabble word list.