15-Letter Words Start with 'au'

There are 17 15-letter words that start with 'au'.

authentications	authoritatively
autobiographers	autobiographies
autochthonously	autocorrelation
autographically	automatizations
autoradiographs	autoradiography
autosuggestions	autotetraploids
autotetraploidy	autotransformer
autotransfusion	autotrophically
audaciousnesses

Note: These 17 15-letter words that start with 'au' are found from the USA & Canada version of the tournament Scrabble word list.

Also see words start with aut, aud, aur, aus, aug, aub, aux, aun, auc, auk, aul.

3-letter words start with 'au' (1)
4-letter words start with 'au' (5)
5-letter words start with 'au' (20)
6-letter words start with 'au' (35)
7-letter words start with 'au' (58)
8-letter words start with 'au' (71)
9-letter words start with 'au' (105)
10-letter words start with 'au' (105)
11-letter words start with 'au' (58)
12-letter words start with 'au' (44)
13-letter words start with 'au' (32)
14-letter words start with 'au' (25)
15-letter words start with 'au' (17)