As an adjective plain is

.

As an adverb plain is

(colloquial) simply.

As a noun plain is

(rare|poetic) a lamentation or plain can be an expanse of land with relatively low relief.

As a verb plain is

to lament, bewail or plain can be (obsolete|transitive) to plane or level; to make plain or even on the surface.

As nouns the difference between rationality and reality

is that rationality is quality or state of being rational; agreement with reason; possession of reason; due exercise of reason; reasonableness while reality is the state of being actual or real.

As an adjective impartial

is treating all parties, rivals, or disputants equally; not partial; not biased; fair.

As a proper noun TrackBack is

a protocol for a system that allows a blogger to see who has seen the original post and has written another entry concerning it.

As a noun trackback is

a method to keep track of links to content, especially blog entries.

As a noun kingdom is

a nation having as supreme ruler a king and/or queen.

As nouns the difference between reason and reality

is that reason is a cause: while reality is the state of being actual or real.

As a verb reason

is to exercise the rational faculty; to deduce inferences from premises; to perform the process of deduction or of induction; to ratiocinate; to reach conclusions by a systematic comparison of facts.

As an adverb whereabout is

(archaic) about which; concerning which.

As nouns the difference between presupposition and hypothesis

is that presupposition is an assumption made beforehand; a preliminary conjecture or speculation while hypothesis is used loosely, a tentative conjecture explaining an observation, phenomenon or scientific problem that can be tested by further observation, investigation and/or experimentation. As a scientific term of art, see the attached quotation. Compare to theory, and quotation given there.

As verbs the difference between deceive and tempt

is that deceive is to trick or mislead while tempt is to provoke someone to do wrong, especially by promising a reward; to entice.

As a verb deceive

is to trick or mislead.

As a noun temp is

time.

Decive is likely misspelled.

Decive has no English definition.

As an abbreviation temp is

temperature.

As a noun temp is

a temporary employee, usually in an office.

As a verb temp is

to work as a temporary employee.