There are 20 words that start with 'debu'.
| debug | debut | debugs |
| debunk | debuts | debunks |
| debuted | debugged | debugger |
| debunked | debunker | debutant |
| debuting | debuggers | debugging |
| debunkers | debunking | debutante |
| debutants | debutantes | |
Note: These 20 words that start with 'debu' are found from the USA & Canada version of the tournament Scrabble word list.