This is the 62nd most frequent Urdu word.
گا
The Urdu word "گا" is a suffix used to indicate future tense for masculine singular subjects in verbs.
Here, 'گا' denotes the future tense for the first-person singular masculine subject.
میں کل پارک جاؤں گا۔
I will go to the park tomorrow.
In this sentence, 'گا' indicates future tense for the third-person singular masculine subject.
وہ کتاب خریدے گا۔
He will buy the book.
Here, 'گا' changes its form to 'گے' to denote the future tense for a second-person singular or plural male subject.