There are 14 words that start with 'lumbe'.
| lumber | lumbers | lumbered |
| lumberer | lumberly | lumberers |
| lumbering | lumberman | lumbermen |
| lumberings | lumberjack | lumberyard |
| lumberjacks | lumberyards | |
Note: These 14 words that start with 'lumbe' are found from the USA & Canada version of the tournament Scrabble word list.