There are 15 words that start with 'submer'.
| submerge | submerse | submerged |
| submerges | submersed | submerses |
| submerging | submersing | submersion |
| submergence | submergible | submersible |
| submersions | submergences | submersibles |
Note: These 15 words that start with 'submer' are found from the USA & Canada version of the tournament Scrabble word list.