相似词查询 

1. thesaurus
https://www.thesaurus.com/

2. KM
https://kmcha.com/

3. CNKI
http://dict.cnki.net

4. Cilin
https://www.cilin.org

5. Collins
https://www.collinsdictionary.com

6. Synonym
https://www.synonym.com

7. synonyms
https://www.synonyms.com

8. synonym-finder
https://www.synonym-finder.com/

9. thefreedictionary
https://www.thefreedictionary.com/

10. merriam-webster
https://www.merriam-webster.com/

11. Urban
https://www.urbandictionary.com/


关键字查询 

1. soovle
https://soovle.com/top/

2. keywordtool
https://keywordtool.io

3. moz
https://moz.com

4. keywordseverywhere
https://keywordseverywhere.com

5. google trends
https://trends.google.com/trends/

6. QuestionDB
https://questiondb.io

7. keyword
https://www.keyword.io

8. semrush
https://www.semrush.com

9. merchantwords
www.merchantwords.com/

10. guru
https://keyword.guru

11. keywordshitter
https://keywordshitter.com

12. ahrefs
ahrefs.com

13. KEYWORD SHEETER
https://keywordsheeter.com

14. KWFinder
https://kwfinder.com

15. wordtracker
https://www.wordtracker.com

16. keyworddiscovery
https://www.keyworddiscovery.com/

17. RankTank
https://www.infinitesuggest.com

18. Permutation Generator
http://seo.danzambonini.com

搜索网站
1. Simpli
https://www.simpli.com

2. magi
https://magi.com

自动话题制造
1. alsoasked
https://alsoasked.com