There are 12 words that start with 'bobs'.
| bobs | bobsled | bobstay | 
| bobsleds | bobstays | bobsleigh | 
| bobsledded | bobsledder | bobsleighs | 
| bobsledders | bobsledding | bobsleddings | 
Note: These 12 words that start with 'bobs' are found from the USA & Canada version of the tournament Scrabble word list.