According to Mr. Krabs on Spongebob Squarepants, there are 13 dirty words.

用海绵宝宝里蟹老板的话来说，总共存在13句脏话。

Squidward must be a George Carlin fan, because he responded that he thought there were only seven. Not if you're a sailor, Mr. Krabs replied.

章鱼哥肯定是美国导演乔治-卡林的粉丝，因为他觉得只有7句脏话，蟹老板回答道：“你不过是个水手。”