There are 16 words that start with 'lingui'.
| linguica | linguine | 
| linguini | linguisa | 
| linguist | linguicas | 
| linguines | linguinis | 
| linguisas | linguists | 
| linguistic | linguistics | 
| linguistical | linguistician | 
| linguistically | linguisticians | 
Note: These 16 words that start with 'lingui' are found from the USA & Canada version of the tournament Scrabble word list.