13-Letter Words Start with 'ra'

There are 40 13-letter words that start with 'ra'.

rabbitbrushes	racemizations
radiationless	radicalnesses
radioactively	radioactivity
radiobiologic	radiochemical
radiochemists	radioelements
radiographies	radiographing
radioisotopes	radioisotopic
radiolabeling	radiolabelled
radionuclides	radiothoriums
raffishnesses	ramifications
randomization	rapaciousness
rapprochement	rapturousness
rarefactional	ratifications
ratiocinating	ratiocination
ratiocinative	ratiocinators
rationalising	rationalistic
rationalities	rationalizers
rationalizing	rattlebrained
raucousnesses	raunchinesses
raylessnesses	razzamatazzes

Note: These 40 13-letter words that start with 'ra' are found from the USA & Canada version of the tournament Scrabble word list.

Also see words start with rad, rat, ran, rac, ram, rai, rap, rav, rag, rab, ras, raf, rar, raz, rak, ral, raw, rau, ray, raj, rax, rah.

3-letter words start with 'ra' (13)
4-letter words start with 'ra' (46)
5-letter words start with 'ra' (105)
6-letter words start with 'ra' (186)
7-letter words start with 'ra' (225)
8-letter words start with 'ra' (222)
9-letter words start with 'ra' (157)
10-letter words start with 'ra' (111)
11-letter words start with 'ra' (83)
12-letter words start with 'ra' (59)
13-letter words start with 'ra' (40)
14-letter words start with 'ra' (25)
15-letter words start with 'ra' (19)