13-Letter Words Start with 'radi'

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

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 'radi' are found from the USA & Canada version of the tournament Scrabble word list.

Also see words start with radio, radic, radia, radiu, radis, radix, radii.

5-letter words start with 'radi' (3)
6-letter words start with 'radi' (6)
7-letter words start with 'radi' (12)
8-letter words start with 'radi' (19)
9-letter words start with 'radi' (16)
10-letter words start with 'radi' (21)
11-letter words start with 'radi' (22)
12-letter words start with 'radi' (21)
13-letter words start with 'radi' (16)
14-letter words start with 'radi' (17)
15-letter words start with 'radi' (16)