There are 15 words that start with 'welt'.
| welt | welts |
| welted | welter |
| welters | welting |
| weltered | weltings |
| weltering | weltschmerz |
| welterweight | welterweights |
| weltschmerzes | weltanschauung |
| weltanschauungs | |
Note: These 15 words that start with 'welt' are found from the USA & Canada version of the tournament Scrabble word list.