In a certain code language, 'LETTER' is coded as 'RETTEL' and 'SYMBOL' is coded as 'LOBMYS'. What is the code for the word 'RENAISSANCE' in that language?

ECNASSIANER

Given; In a certain code language, 'LETTER' is coded as 'RETTEL' and 'SYMBOL' is coded as 'LOBMYS'. 

So,

(words are written from left to right)

LETTER is coded as RETTEL

SYMBOL is coded as LOBMYS

Similarly,

RENAISSANCE is coded as ECNASSIANER