As nouns the difference between stem and brunch

is that stem is (countable) while brunch is brunch.

As a noun doctrine

is a belief or tenet, especially about philosophical or theological matters.

As a letter x is

the twenty-fourth letter of the.

As a symbol x is

voiceless velar fricative.

As verbs the difference between create and embody

is that create is (lb) while embody is to represent in a physical form; to incarnate or personify.

As an adjective spurious

is false, not authentic, not genuine.

As a verb fabricate is

to form into a whole by uniting its parts; to frame; to construct; to build; as, to fabricate a bridge or ship.

As adjectives the difference between spurious and fabricated

is that spurious is false, not authentic, not genuine while fabricated is constructed or assembled.

As a verb fabricated is

(fabricate).

As a noun rigidity

is the quality or state of being rigid; want of pliability; the quality of resisting change of form; the amount of resistance with which a body opposes change of form.

As an adjective false is

(label) one of two states of a boolean variable; logic.

As adjectives the difference between trite and mediocre

is that trite is worn out; hackneyed; used so many times that it is no longer interesting or effective (often in reference to a word or phrase) while mediocre is mediocre (ordinary: not extraordinary; not special, exceptional, or great; of medium quality).

As a noun trite

is a denomination of coinage in ancient greece equivalent to one third of a stater.

As an adjective spurious

is false, not authentic, not genuine.

As a verb subjugate is

to forcibly impose obedience or servitude.

As adjectives the difference between sentient and unsentient

is that sentient is conscious or self-aware while unsentient is lacking sentience.

As a noun sentient

is lifeform with the capability to feel sensation, such as pain.

As nouns the difference between sapient and autonomy

is that sapient is (chiefly|science fiction) an intelligent, self-aware being while autonomy is self-government; freedom to act or function independently.

As an adjective sapient

is possessing wisdom and discernment; wise, learned.