There are 12 14-letter words that start with 'inf'.
| infectiousness | infelicitously |
| infinitenesses | infinitesimals |
| inflammability | inflammatorily |
| inflectionally | inflexibleness |
| inflorescences | infrangibility |
| infrastructure | infusibilities |
Note: These 12 14-letter words that start with 'inf' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words start with infl, infe, infi, infa, info, infr, infu.
4-letter words start with 'inf' (1)