This is the 11692nd most frequent Spanish word.
gana
Desire, willingness, or wish.
In this sentence, 'gana' is the verb 'ganar' conjugated in the third person singular present tense, meaning 'wins'. It refers to achieving victory in card games.
Ella siempre gana en los juegos de cartas.
She always wins in card games.
Here, 'ganas' (plural) means 'desire' or 'eagerness', forming the expression 'tener ganas de' which implies wanting to do something strongly.
Tengo muchas ganas de ir al cine esta noche.
I really want to go to the cinema tonight.
In this context, 'ganas' (plural noun) implies 'desire' or 'motive', referring to an internal drive or enthusiasm that is encourage by competition.