1、共现
共现（co-occurrence）：属于同一词汇搭配范畴或者某一领域的词汇。
2、同现
随机性研究的一个重要课题就是同现（co-occurrence）研究。李晓明（1985：10-11）指出：
3、共现关系
Co-occurrence (共现关系): By relations of co-occurrence one means that words of different sets or classes may permit, or require, the occurrence...
4、出现
共同出现（Co-Occurrence）是Apache Mahout可以计算被推荐物品显著性标识的基础。
co-occurrence score共现计分
co-occurrence restriction同现限制
Co-occurrence Measures二阶概率统计
co-occurrence relationship即词的同现关系
local co-occurrence局部共现
co-occurrence network同现网络
Co-occurrence Analysis共现分析
co-occurrence condition共现条件