The word "moldabilities" can be a bit tricky to spell. It's pronounced /ˌmoʊldəˈbɪlɪtiz/, with the stress on the second syllable. The "mold-" at the beginning of the word is spelled with an "o," not a "u," in American English. The "-abilities" suffix is derived from the adjective "able," which means "having the power, skill, or means to do something." "Moldabilities" refers to the ability of a substance or material to be molded or shaped into different forms.
The word "moldabilities" is a noun derived from the word "moldability". The etymology of "moldability" is a combination of the noun "mold", meaning a hollow container used to give shape to a substance, and the suffix "-ability", which indicates the quality or state of being able to do something. The noun "mold" comes from Middle English "molde" and Old English "mold", both meaning "earth" or "dust". The word ultimately originates from Proto-Germanic "muldi" meaning "dust" or "dirt". So, "moldabilities" refers to the plural form of "moldability", which describes the quality or state of being able to be shaped or molded.