There are 11 10-letter words that start with 'circ'.
| circuities | circuiting | circuitous | 
| circularly | circulated | circulates | 
| circulator | circumcise | circumflex | 
| circumfuse | circumvent | |
Note: These 11 10-letter words that start with 'circ' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words start with circu, circl, circa, circi.
5-letter words start with 'circ' (1)