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这种近义词，可以查英英字典
essay:
piece of writing, usu short and in prose, on any one subject 文章; （尤指）短文, 小品文, 散文
article:
piece of writing, complete in itself, in a newspaper, magazine, etc （报刊上的）文章:
(law 律) separate clause or item in an agreement or a contract （协议或合同的）项目, 条款
entry:item written in a list, a diary, an account book, etc （写进清单﹑ 日记﹑ 帐本等的）项目
journal:1) newspaper or periodical, esp one that is serious and deals with a specialized subject 报纸; 定期刊物（尤指涉及某一学科的）:
2) daily record of news, events, business transactions, etc 日记; 日志; 流水帐
