Here's why:
* Misogyny is a well-established term that refers to the dislike of, contempt for, or ingrained prejudice against women.
* Gamist is not a standard word in the English language.
If you are looking for a term related to hatred or dislike of marriage, the closest common term would be anti-marriage.
If you have encountered this word elsewhere, please provide more context so we can understand your query better.