12-Letter Words Start with 'bir'

There are 3 12-letter words that start with 'bir'.

biracialisms	birdwatching	birefringent

Note: These 3 12-letter words that start with 'bir' are found from the USA & Canada version of the tournament Scrabble word list.

Also see words start with bird, birt, birl, bira, bire, birr, birc, birk, biri, biro, birs, biry.

4-letter words start with 'bir' (5)
5-letter words start with 'bir' (9)
6-letter words start with 'bir' (11)
7-letter words start with 'bir' (19)
8-letter words start with 'bir' (27)
9-letter words start with 'bir' (23)
10-letter words start with 'bir' (13)
11-letter words start with 'bir' (8)
12-letter words start with 'bir' (3)
13-letter words start with 'bir' (1)
14-letter words start with 'bir' (1)