There are 17 words that start with 'specu'.
| specula | specular |
| speculum | speculate |
| speculums | specularly |
| speculated | speculates |
| speculator | specularity |
| speculating | speculation |
| speculative | speculators |
| speculations | specularities |
| speculatively | |
Note: These 17 words that start with 'specu' are found from the USA & Canada version of the tournament Scrabble word list.