There are 30 7-letter words that start with 'lan'.
Note: These 30 7-letter words that start with 'lan' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words start with land, lang, lanc, lank, lant, lano, lani, lane, lana, lann, lanu, lany.
4-letter words start with 'lan' (4)