This is the 674th most frequent Romanian word.
tatăl
"Father"
The word 'tatăl' is used as the subject of the sentence to denote the father specifically.
Tatăl meu are grijă de grădină.
My father takes care of the garden.
Here, 'tatălui' (the genitive/dative form of 'tatăl') is used to indicate the indirect object of the sentence.
Îi voi da cadoul tatălui meu.
I will give the gift to my father.
The word 'tatăl' is used in a possessive context, specifying whose father is being mentioned.