There are 15 words that start with 'lobs'.
| lobs | lobster | lobsters | 
| lobstick | lobscouse | lobstered | 
| lobsterer | lobsticks | lobscouses | 
| lobsterers | lobstering | lobsterman | 
| lobstermen | lobsterings | lobsterlike | 
Note: These 15 words that start with 'lobs' are found from the USA & Canada version of the tournament Scrabble word list.