As nouns the difference between nation and states

is that nation is an historically constituted, stable community of people, formed on the basis of a common language, territory, economic life, ethnicity and/or psychological make-up manifested in a common culture while states is plural of lang=en.

As an adverb nation

is extremely; very.

As a verb states is

third-person singular of state.

As a proper noun States is

the United States.

As nouns the difference between career and subject

is that career is one's calling in life; a person's occupation; one's profession while subject is in a clause: the word or word group (usually a noun phrase) that is dealt with. In active clauses with verbs denoting an action, the subject and the actor are usually the same.

As verbs the difference between career and subject

is that career is to move rapidly straight ahead, especially in an uncontrolled way while subject is to cause (someone or something) to undergo a particular experience, especially one that is unpleasant or unwanted.

As an adjective subject is

likely to be affected by or to experience something.

As adverbs the difference between audibly and acoustically

is that audibly is in context of possibility of being heard; in an audible manner while acoustically is in an acoustic manner, or using an acoustic musical instrument.

As adverbs the difference between visually and optically

is that visually is by means of sight while optically is regarding or using optics.

As adjectives the difference between numerous and numeric

is that numerous is indefinitely large numerically, many while numeric is of, or relating to numbers, especially the characters 0 to 9.

As a noun numeric is

any number, proper or improper fraction, or incommensurable ratio.

As adjectives the difference between freezing and arctic

is that freezing is (literally) suffering or causing frost while arctic is .

As nouns the difference between freezing and arctic

is that freezing is (uncountable|physics|chemistry) the change in state of a substance from liquid to solid by cooling to a critically low temperature while arctic is .

As a verb freezing

is .

As a proper noun arctic is

.

As nouns the difference between basics and principle

is that basics is plural of lang=en while principle is a fundamental assumption.

As a verb principle is

to equip with principles; to establish, or fix, in certain principles; to impress with any tenet or rule of conduct.

As verbs the difference between repaid and paid

is that repaid is past tense of repay while paid is past tense of pay.

As a noun terminal is

terminal (at an airport etc).

As nouns the difference between rye and rai

is that rye is a grain used extensively in Europe for making bread, beer, and (now generally) for animal fodder while raï is a form of folk music, originating in Oran, Algeria from Bedouin shepherds.