If STUDENTS is written as TSDUNEST  in a certain language than, FLOWER will be written as.

ERWOLF EROWLF LFOWRE LFWORE

LFWORE

STUDENTS ST replaced by TS UD replaced by DU EN replaced by NE TS replaced by ST Hence, it is TSDUNEST So FLOWER FL will be replaced by LF OW will be replaced by WO ER will be replaced by RE. hence, answer will be LFWORE