Although Persian and Estonian Languages are from two different language family; Persian is from the Iranian branch of Indo-Iranian group of Indo-European Family and Estonian is from the Finnic branch of Finno-Ugric group of Uralic family, but there are some similar and analogous constructions in these two languages which this paper studies and anlyses two constructions of them through comparative method which consist of:

1-The construction of stating possession, that indicates someone have something or something belongs to someone, as:

2- The construction that states something is pleasant or likable for someone.

The result of the paper: a) confirms the hypothetical language family named Indo-Uralic consisting of Indo-European and Uralic.

b) indicates that  in the far past, there has been a close relationship between Persian and Estonian Language that  researches can be pinpointed its accuracy or inaccuracy by the next researches in the future.