If $PLANE$ is coded as $OKZMD$ in a certain language,how will $TRAIN$ be coded?

If in a certain language $PORCELAIN$ is coded as $QOSCFLBJO$,which word is coded as $BKMOUSPP$?

If in a certain language,$DIUGNAL$ is the code for $LANGUID$,which word would be coded as $ELKCAHS$?

If 'cinto baoli tsi mro' means 'her village is Sarurpur'; 'mhi cinto keepi tsi oind' means 'her first love is literature' and 'oind geit tsi cinto pki' means 'literature collection is her hobby',which word would mean 'literature'?

If orange is called butter,butter is called soap,soap is called ink,ink is called honey and honey is called orange,which of the following is used for washing clothes?

In a certain code language,'$526$' means 'sky is blue'; '$24$' means 'blue colour' and '$436$' means 'colour is fun'. Which digit in that language means 'fun'?