区别就是两者都是名词但意思是不一样的，具体的不同如下

snap中文意思是n. （尤指东西断裂或关上的）喀嚓声，啪嗒声快照，照片

She closed her purse with a snap.

bite中文意思是n. 咬一口的量咬伤，叮伤少量吃的东西，小吃寒冷，刺骨浓烈的味道影响力，感染力吞饵，上钩咬合简短的信息

The wound from the dog bite had become infected.