There are 16 words that end with 'umbers'.
| umbers | cumbers | lumbers |
| numbers | clumbers | crumbers |
| plumbers | slumbers | cucumbers |
| encumbers | incumbers | renumbers |
| misnumbers | outnumbers | prenumbers |
| disencumbers | ||
Note: These 16 words that end with 'umbers' are found from the USA & Canada version of the tournament Scrabble word list.