15-Letter Words Start with 'rh'

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

rheumatologists	rhombencephalon

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

Also see words start with rhe, rhi, rho, rha, rhy, rhu.

3-letter words start with 'rh' (1)
4-letter words start with 'rh' (3)
5-letter words start with 'rh' (8)
6-letter words start with 'rh' (21)
7-letter words start with 'rh' (25)
8-letter words start with 'rh' (31)
9-letter words start with 'rh' (49)
10-letter words start with 'rh' (34)
11-letter words start with 'rh' (26)
12-letter words start with 'rh' (16)
13-letter words start with 'rh' (15)
14-letter words start with 'rh' (7)
15-letter words start with 'rh' (2)