Yes, it is a word, and it is in your vocabulary as well as mine.
Vocabularies.
Vocabularies is the plural form of vocabulary, which is not a verb, it's a noun, a word for a thing.
"Vocabulary" is the singular form of the word, referring to the set of words known and used by a person or in a language. "Vocabularies" is the plural form, used when referring to more than one set of words known and used by different people or in different languages.
Moshe Brill has written: 'The basic word list of the Arabic daily newspaper' -- subject(s): Arabic language, Arabic newspapers, Glossaries, vocabularies, Vocabularies
vocabularies
justification and joint variation is one of the j math vocabularies.
Marilyn C. Salas has written: 'Chamorro word book' -- subject(s): Chamorro language, Dictionaries, English, Glossaries, vocabularies, Glossaries, vocabularies, etc, Social life and customs
There are dictionaries made to define every word in the Quran you might not know.
Harold David Rose has written: 'A semantic analysis of time with a semantic alphabet of the commonest English words' -- subject(s): English language, Glossaries, vocabularies, Glossaries, vocabularies, etc, Semantics, Time (The word)
No, the adjective 'prolifera' isn't a word in the Latin language. But it is a word in both the Italian and the Spanish language vocabularies. In both languages, however, its roots are Latin: 'proles ferens', or 'bringing forth offspring'.
The best way to learn vocabulary is to make a Study Deck -- see the link to learn how!
Justine Kenyon has written: 'The Aboriginal word book' -- subject(s): Australian languages, Glossaries, vocabularies, Tasmanian languages