There are 17 words that start with 'busi'.
| busied | busier |
| busies | busily |
| busing | busiest |
| busings | business |
| businesses | businessman |
| businessmen | businesslike |
| businesswoman | businesswomen |
| businesspeople | businessperson |
| businesspersons | |
Note: These 17 words that start with 'busi' are found from the USA & Canada version of the tournament Scrabble word list.