15-Letter Words Start with 'er'

There are 2 15-letter words that start with 'er'.

erroneousnesses	erythropoietins

Note: These 2 15-letter words that start with 'er' are found from the USA & Canada version of the tournament Scrabble word list.

Also see words start with ero, ere, erg, ery, err, era, eru, eri, ers, ern, erm, erb, erl, erv.

3-letter words start with 'er' (6)
4-letter words start with 'er' (8)
5-letter words start with 'er' (14)
6-letter words start with 'er' (26)
7-letter words start with 'er' (44)
8-letter words start with 'er' (47)
9-letter words start with 'er' (48)
10-letter words start with 'er' (38)
11-letter words start with 'er' (28)
12-letter words start with 'er' (13)
13-letter words start with 'er' (9)
14-letter words start with 'er' (7)
15-letter words start with 'er' (2)