Here are 10 vocabulary words that are relevant for exam preparations for Banks and PSCs, along with their synonyms, antonyms, and usage sentences. These words are at a moderate, easy level:

1. **Accord**
– **Synonyms**: agreement, harmony, consent
– **Antonyms**: disagreement, conflict, discord
– **Usage Sentence**: The two countries reached an accord on the trade deal.

2. **Ample**
– **Synonyms**: plentiful, abundant, sufficient
– **Antonyms**: insufficient, scarce, meager
– **Usage Sentence**: She had ample time to prepare for the exam.

3. **Conceal**
– **Synonyms**: hide, cover, mask
– **Antonyms**: reveal, expose, uncover
– **Usage Sentence**: He tried to conceal his nervousness before the interview.

4. **Deliberate**
– **Synonyms**: intentional, planned, calculated
– **Antonyms**: accidental, unintentional, hasty
– **Usage Sentence**: The jury took deliberate steps to ensure a fair verdict.

5. **Elicit**
– **Synonyms**: extract, evoke, draw out
– **Antonyms**: suppress, hide, ignore
– **Usage Sentence**: The teacher’s questions were designed to elicit thoughtful responses from the students.

6. **Fidelity**
– **Synonyms**: loyalty, faithfulness, allegiance
– **Antonyms**: disloyalty, betrayal, infidelity
– **Usage Sentence**: The soldier’s fidelity to his country was unquestionable.

7. **Imminent**
– **Synonyms**: impending, forthcoming, approaching
– **Antonyms**: distant, far-off, remote
– **Usage Sentence**: The dark clouds indicated that a storm was imminent.

8. **Lucid**
– **Synonyms**: clear, understandable, comprehensible
– **Antonyms**: confusing, unclear, obscure
– **Usage Sentence**: The professor’s lecture was lucid and easy to follow.

9. **Precede**
– **Synonyms**: come before, lead up to, antecede
– **Antonyms**: follow, succeed, come after
– **Usage Sentence**: A brief introduction will precede the main presentation.

10. **Revoke**
– **Synonyms**: cancel, annul, withdraw
– **Antonyms**: approve, confirm, validate
– **Usage Sentence**: The government decided to revoke the outdated regulation.

These words should help enhance your vocabulary for your exam preparations. Good luck with your studies!