Xenia and metaxenia terms are related with

Xenia and metaxenia are related to

Xenia nd metaxenia are related to

Xenia nd metaxenia are related to

Xenia refers to

Select the option that is related to the third term in the same way as the second term is related to the first term and the sixth term is related to the fifth term. 21 : 112 : 36 : ? :: 51 : 262