ALL THE CHAPTER RELATED TO THIS BOOK HAVE BEEN TOLD IN The Black Book of English Vocabulary Updated till January 2021 APP.THIS BOOK IS VERY USEFUL FOR EVERY COMPETITIVE EXAM.
The following is broken down by type of words. All the words in the following lists are in the list of 2000 words. The sum is greater than 2,000 because many words can be both a noun and a verb.

Finally, before you start studying vocabulary, keep in mind that you will need to learn a lot more than 2,000 words. However, studying the right 2,000 words in the proper depth will help you to become fluent in English much faster.
APP Content:-

1. 500 Most Repetitive SSC One Word Substitution
2. All SSC One Word Substitutions
3. 1000 The Hindu Vocabulary
4. List of Phobia
5. List of Mania
6. List of Phile
7. Words for Killing,Killers (cides)
8. Words Denoting Age and Words related to Sleep (Somnia)
9. Words Denoting Places
10. Branch of Study (Logy)
11. List of Graphy
12. Forms of Government
13. Form of Worship
14. Scientific Instruments
15. Literary Words (Poetry, Prose etc.)
16. Foreign Words & Phrases
One Word Substitution Practice Set 01 to 50 Sets
English Root Words