In Nouns^x, Antonyms^x, Verbs^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...

The Antonym of Sin In order to arrive at a suitable antonym for the word “sin”, one must understand the word as it is correctly used in the English language. This explanation will address the meaning of sin and its antonym in an attempt to assist in gaining a more thorough understanding. ...

"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)...