How to find out the masculine gender and feminine gender

I know it isnt the same but from doing Italian, to distinguish between masculine and feminine, Im pretty sure its to do with the letters that words in. Like if you have a word ending in 'o' or 'e', that might symbolise a masculine word. Or an 'a' may be a feminine word. Those are just examples so dont take my word for it. 

In spanish the feminine verbs and adjectives end with ´a´ and the masculine ends with ´o´.
I hope this helped

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