There are 13 words that start with 'chalc'.
| chalcid | chalcids |
| chalcogen | chalcedony |
| chalcocite | chalcogens |
| chalcedonic | chalcocites |
| chalcedonies | chalcogenide |
| chalcopyrite | chalcogenides |
| chalcopyrites | |
Note: These 13 words that start with 'chalc' are found from the USA & Canada version of the tournament Scrabble word list.