All others must be taught. Minspeak has been applied successfully from age eighteen months and at IQ of 40, yet also is preferred by people with advanced degrees. Acknowledge Core vs. Core words are structure words such as pronouns, verbs, determiners, adverbs, adjectives, and prepositions. Almost no core words are nouns and even fewer are object nouns, the only words with an obvious picture association.
Core words are the basis of interactive communication.
Extended vocabulary is made up of the remaining thousands of words. Most nouns are part of the extended vocabulary. Extended vocabulary words tend to be content or topic specific. These words are important, but are not used nearly as often as core vocabulary words. Generally, core vocabulary is best accessed using semantic compaction and extended vocabulary is best accessed using alphabet based systems or single meaning pictures.