In Nouns^x, Antonyms^x, Synonyms^x

Thanks, certainly there is not mistake in my questions, I just like to know if there is such a relation name. I am doing Natural Language Processing research. such as, car -> motor vehicle the relation between them is, motor vehicle is a hypernym of car car -> accelerator pedal accelerator...

"two same words with different meaning?" Most words have various meanings. You must convey or perceive a word's meaning through context. Here is just one example out of many thousands of mulitiple meanings words: bear (bâr) verb bore (bôr, bor) borne (bôrn, born) or born (bôrn)...