As a noun topics

is .

As a proper noun iraq is

country in mesopotamia that borders on iran, kuwait, saudi arabia, jordan, syria and turkey official name: republic of iraq.

As a noun requests

is plural of lang=en.

As a verb relies is

third-person singular of rely.

As nouns the difference between topics and immunization

is that topics is while immunization is (us|uncountable) the process by which an individual is exposed to a material that is designed to prime his or her immune system against that material.

As nouns the difference between topics and environment

is that topics is plural of lang=en while environment is the surroundings of, and influences on, a particular item of interest.

As nouns the difference between topics and china

is that topics is while china is (uncountable) the root of a climbing plant, smilax china l, once believed to have important medicinal properties or china can be (cockney rhyming slang|countable) mate (ie, friend).

As a noun substrate

is .

As an acronym base is

b'''uilding'', '''''a'''ntenna-tower'', '''''s'''pan'', '''''e arth .

As nouns the difference between chart and trend

is that chart is a map while trend is trend.

As a verb chart

is to draw a chart or map of.

As a verb discourage

is to extinguish the courage of; to dishearten; to depress the spirits of; to deprive of confidence; to deject.

As a noun discourage

is lack of courage.

As an adjective gloomy is

imperfectly illuminated; dismal through obscurity or darkness; dusky; dim; clouded.

As nouns the difference between haunting and happiness

is that haunting is a particular instance of haunting; a ghostly habitation while happiness is the emotion of being happy; joy.

As a verb haunting

is present participle of lang=en.

As verbs the difference between terminated and eschewed

is that terminated is (terminate) while eschewed is (eschew).