There are 5 15-letter words that start with 'amb'.
| ambassadorships | ambidexterities |
| ambiguousnesses | ambisexualities |
| ambitiousnesses | |
Note: These 5 15-letter words that start with 'amb' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words start with ambi, ambu, amba, ambe, ambl, ambr, ambo, ambs.
4-letter words start with 'amb' (1)