There are 3 13-letter words that start with 'spa'.
| spaghettilike | sparkplugging |
| spasmodically | |
Note: These 3 13-letter words that start with 'spa' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words start with spar, spac, span, spat, spad, spal, spas, spam, spae, spag, spav, spaw, spah, spai, spay, spaz, spak.
4-letter words start with 'spa' (8)