Words given on the left side of (::) are related with each other by some Logic/Rule /Relation. Select the missing word/word pair on the right side of (::) from the given alternatives based on the same Logic/Rule/Relation.

Square : Four :: ?

Rectangle : Four

Square : Four :: ?

The logic followed here is :

Shape and side pair of relationship with the information given in the question

AS

A square has four sides

Similarly

Rectangle : Four

A Rectangle has four sides just like Square