There are 16 8-letter words that start with 'arch'.
| archaeal | archaean | archaeon | archaise |
| archaism | archaist | archaize | archduke |
| archfoes | archines | archings | archival |
| archived | archives | archness | archways |
Note: These 16 8-letter words that start with 'arch' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words start with archi, archa, arche, archd, archo, archb, archf, archn, archp, archr, archw, archl.
6-letter words start with 'arch' (6)