suit match fit的区别是词义辨析、用法不同。suit则着重指颜色、款式、色调方面的合适内。match是指搭配衣服方面的合适。fit在用于衣着、鞋帽等场合下的适合。

例句：The suits are called hearts, clubs, diamonds and spades.扑克牌的四种花色分别叫红桃、梅花、方块和黑桃。I was wearing my tweed suit.我穿着我的花呢套装。Her nails were painted bright red to match her dress。她的指甲涂成了大红色，为的是与裙子相配。That jacket fits well.那件短上衣很合身。