Meaning : Add to the very end.
Example :
He appended a glossary to his novel where he used an invented language.
Synonyms : add on, append, supplement
Meaning : Attach or become attached to a stem word.
Example :
Grammatical morphemes affix to the stem.
Affix ka meaning, vilom shabd, paryayvachi aur samanarthi shabd in Hindi. Affix ka matlab kya hota hai?