21. Sporadic –
MEMORY: Sporadic means, occurring at irregular interval.
22. Sovereign –
MEMORY: Sovereign means, a supreme ruler especially a monarch.
23. Tranquility –
MEMORY: Tranquility means, the quality or state of being calm.
24. Vivacious –
MEMORY: Vivacious means, something attractively lively and animated.
25. Yield –
[C] Pull through
MEMORY: Yield means, grow or produce something.