There are 3 12-letter words that start with 'air'.
| airfreighted | airtightness | airworthiest |
Note: These 3 12-letter words that start with 'air' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words start with airs, airp, airb, airf, airt, airw, airl, airm, aird, airc, airi, airh, aire, airg, airn, airy.
4-letter words start with 'air' (4)