There are 15 words that start with 'elas'.
| elastic | elastin |
| elastase | elastics |
| elastins | elastases |
| elastomer | elasticity |
| elastomers | elastically |
| elasticized | elastomeric |
| elasmobranch | elasticities |
| elasmobranchs | |
Note: These 15 words that start with 'elas' are found from the USA & Canada version of the tournament Scrabble word list.