As an adjective empirical

is pertaining to or based on experience.

As a noun hypothesis is

(sciences) 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 nouns the difference between purgatives and antacid

is that purgatives is plural of lang=en while antacid is an agent that counteracts or neutralizes acidity, especially in the stomach.

As an adjective antacid is

counteracting or neutralizing acidity, especially in the stomach.

As adverbs the difference between objectively and impartially

is that objectively is in an impartial, objective manner while impartially is in an impartial manner; fairly.

As verbs the difference between concentrate and obsess

is that concentrate is while obsess is to be preoccupied with a single topic or emotion.

As a proper noun precious

is .

As an adjective exact is

precisely agreeing with a standard, a fact, or the truth; perfectly conforming; neither exceeding nor falling short in any respect.

As a verb exact is

to demand and enforce the payment or performance of.

As verbs the difference between different and direct

is that different is while direct is to manage, control, steer.

As an adjective direct is

straight, constant, without interruption.

As an adverb direct is

directly.

As a verb dismantle

is (originally) to divest, strip of dress or covering.

As a noun flatten is

.

As a proper noun zoey

is , a phonetic spelling of.

As a noun pratt is

.

As adjectives the difference between unwilling and incapable

is that unwilling is not willing; loath; disinclined; reluctant; as, an unwilling servant while incapable is not capable (of doing something); unable.

As a noun incapable is

(dated) one who is morally or mentally weak or inefficient; an imbecile; a simpleton.

As nouns the difference between extensity and range

is that extensity is (uncountable) the state of being extensive or of having extension while range is homework.