The compendious Oxford English Dictionary lists over 500,000 words; . The number of words in English has grown from 50000 or so words in Old English Dictionary. There are a number of ways in which the English vocabulary increases. About 80% of the entries in any old English dictionary are borrowed, mainly from Latin. Another way is by combining words into one word such as housewife, greenhouse, and overdue. The addition of prefixes and suffixes to words also increases the immense vocabulary of the English language.

Ponder over the questions and clues given below and then compare your solution with the answers which are hidden in the white background and will be visible when you click the button at the bottom.
 

stationary, stationery
stationary: not moving
stationery: paper used for correspondence

populace, populous
populace: population
populous: heavily populated

gorilla, guerrilla
gorilla: a type of ape
guerrilla: a soldier who makes surprise raids

C) Find the word for which the meaning or synonyms are given.

Superficial
Concerned with or comprehending only what is apparent or obvious; shallow. Apparent rather than actual or substantial. Trivial; insignificant: made only a few superficial changes in the manuscript.
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Superfluous
Being beyond what is required or sufficient. 
Synonyms: excess, extra, spare, supernumerary, surplus. The central meaning shared by these adjectives is “being more than is needed, desired, required, or appropriate”: 
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Supreme
Greatest in power, authority, or rank; paramount or dominant. 
Greatest in importance, degree, significance, character, or achievement. 
.Ultimate; final
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Supremacy
The quality or condition of being Greatest in power, authority, or rank, importance, degree, significance, character, or achievement. 
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Suppress
.To put an end to forcibly; subdue, To curtail or prohibit the activities of. To keep from being revealed, published, or circulated, To deliberately exclude (unacceptable desires or thoughts) from the mind. To inhibit the expression of (an impulse, for example); check: suppress a smile. To reduce the incidence or severity of (a hemorrhage or a cough, for example); arrest. 

Synonyms: stifle, repress.