Words Containing RT and Ending in X

Making a list of words with RT that end in X? Sounds fun. Also sounds pretty specific. A list like that could go a long way, we're sure. This complete word list is tailored to your search parameters, whether they are words with RT or words that end in X. Or both, obviously.

13 letter words1 Word
ultraorthodox
12 letter words1 Word
portmanteaux
11 letter words2 Words
neoorthodox
nonorthodox
10 letter words1 Word
unorthodox
9 letter words3 Words
earthflax
neocortex
subcortex
8 letter words6 Words
aftertax
curtalax
earthwax
orthodox
supertax
undertax
7 letter words3 Words
narthex
overtax
tortrix
6 letter words4 Words
cortex
surtax
vertex
vortex