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CORRESPONDENCE

The activity of writing letters/emails to someone

SUBSTANTIATE

To establish by proof or competent evidence

EMPIRICAL

Originating in or based on observation/experience

HAPHAZARD

Marked by lack of plan, order, or direction

RHETORICAL

Art of speaking or writing format effectively especially as a way to persuade/influence people

REBUTTAL

Act/procedure of refuting

COUNTERARGUMENT

Opposing argument

VORACIOUS

Excessively eager

PRECOCIOUS

Exhibiting mature qualities at an unusually early age

LONGEVITY

Long duration of individual life

PERSUASION

Act/process/instance of convincing

ARGUMENT

A reason given for/against a matter under discussion

SNOLLYGOSTER

Shrewd, unprincipled person

FALLACY

False/mistaken idea

COUNTERCLAIM

Opposing claim