There are 16 words that start with 'loop'.
| loop | loops | loopy |
| looped | looper | loopers |
| loopier | loopily | looping |
| loophole | loopiest | loopholed |
| loopholes | loopiness | loopholing |
| loopinesses | ||
Note: These 16 words that start with 'loop' are found from the USA & Canada version of the tournament Scrabble word list.