There are 150 11-letter words that start with 'ba'.
Note: These 150 11-letter words that start with 'ba' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words start with bar, bac, ban, bal, bas, bat, bab, bag, bai, bad, bak, baw, bay, bap, bau, baf, baa, bam, baz, bah, bao.
3-letter words start with 'ba' (12)