There are 3 14-letter words that start with 'amp'.
| amphibiousness | amphiprostyles |
| amplifications | |
Note: These 3 14-letter words that start with 'amp' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words start with amph, ampl, ampu, ampe, ampi, ampo, amps.
4-letter words start with 'amp' (1)