勝(が)ちapt to (do), liable to, prone to, inclined to, tend to

辞書の定義

接尾辞, 形容動詞
1. 1.
  EN apt to (do), liable to, prone to, inclined to, tend to
  カタカナで書かれることが多い, after a noun or -masu stem of verb; describes a negative tendency
2. 2.
  EN predominantly, mostly, having lots of
  カタカナで書かれることが多い
接尾辞
1. 3.
  EN ... reaps the rewards, ... takes the prize, ... wins
  usu. as ...もの〜