There are at least four words that can follow MATERIALS.
tularemias
Etymology: New Latin, from Tulare County, Calif.
: an infectious disease especially of wild rabbits, rodents, humans, and some domestic animals that is caused by a bacterium (Francisella tularensis), is transmitted especially by the bites of insects, and in humans is marked by symptoms (as fever) of toxemia
Other words that could have followed materials were cameralist, spermatial, and asterismal.
There is at least one word that can follow TULAREMIAS.
Both words are the plural of words you know.
ultramarines (the other was planetariums)
There are at least five words that can follow PROTONIC.
Other words that could have followed protonic were ectropion, neotropic, inotropic, and nootropic.
There is at least one word that can follow PROPONTIC. (Add an A.)
