Both of these suffixes are added to nouns to make an adjective that denotes that something has the qualities of the noun, e.g.
역사 history → 역사적(이다) historical
세계 world → 세계적(이다) worldwide
전통 tradition → 전통적(이다) traditional
사랑 love → 사랑스럽다 = lovely
자연 nature → 자연스럽다 = natural
Are there any rules or guidelines as to which ending to use? Are there any words with which you can use either ending?