13-Letter Words Start with 'rad'

There are 16 13-letter words that start with 'rad'.

radiationless	radicalnesses
radioactively	radioactivity
radiobiologic	radiochemical
radiochemists	radioelements
radiographies	radiographing
radioisotopes	radioisotopic
radiolabeling	radiolabelled
radionuclides	radiothoriums

Note: These 16 13-letter words that start with 'rad' are found from the USA & Canada version of the tournament Scrabble word list.

Also see words start with radi, radd, rada, rado, radu, radw, rads.

4-letter words start with 'rad' (1)
5-letter words start with 'rad' (5)
6-letter words start with 'rad' (12)
7-letter words start with 'rad' (19)
8-letter words start with 'rad' (21)
9-letter words start with 'rad' (17)
10-letter words start with 'rad' (22)
11-letter words start with 'rad' (23)
12-letter words start with 'rad' (21)
13-letter words start with 'rad' (16)
14-letter words start with 'rad' (17)
15-letter words start with 'rad' (16)