Candidates should understand that grammar is very important to learn English language and all those who are engaged on preparing should make their vocabulary string. It is very important to understand the words either if they are in Passage or close test etc. The words are generally devised from
▪ Latin or
▪ Greek or
▪ German
Candidates have to know the root word and they can understand various different words which can be formulated from one of the Greek / German / latin word etc.

A word is made up of three parts. For ex- subtracted
Sub (prefix) ——– tract (root) ———- ed (suffix)

Candidates can understand the root words and they can understand the meaning of these words as under.

SUICIDE — Killing oneself
MATRICIDE – Killing one’s mother
PATRICIDE – Killing one’s father
FRATRICIDE — Killing one’s own brother
INFANTICIDE — Killing a new born
The root word is CIDE - Killing of

In the similar way candidates can find out the root words and based on this they can associate the key words and they can understand the details. Candidates can learn the details of all other key words and they can associate other words through it to find their meaning.