As adjectives the difference between skilful and adept

is that skilful is possessing skill, skilled while adept is well skilled; completely versed; thoroughly proficient.

As a noun adept is

one fully skilled or well versed in anything; a proficient; as, adepts in philosophy.

As a noun abstention

is (obsolete) the act of restraining oneself .

As a proper noun chastity is

(rare) from the virtue chastity.

As nouns the difference between malignancy and animus

is that malignancy is the state of being malignant or diseased while animus is the basic impulses and instincts which govern one's actions.

As nouns the difference between anger and viciousness

is that anger is remorse, regret while viciousness is the characteristic of being vicious.

As adjectives the difference between ambitious and zealous

is that ambitious is possessing, or controlled by ambition; greatly or inordinately desirous of power, honor, office, superiority, or distinction while zealous is full of zeal; ardent, fervent; exhibiting enthusiasm or strong passion.

As adjectives the difference between unrealistic and illusory

is that unrealistic is not realistic while illusory is resulting from an illusion; deceptive, imaginary, unreal.

As nouns the difference between contraction and digest

is that contraction is a reversible reduction in size while digest is that which is digested; especially, that which is worked over, classified, and arranged under proper heads or titles.

As a verb digest is

to distribute or arrange methodically; to work over and classify; to reduce to portions for ready use or application.

As nouns the difference between behaviour and invasion

is that behaviour is the way a living creature behaves or acts while invasion is invasion.

As adjectives the difference between hateful and infamous

is that hateful is evoking a feeling of hatred while infamous is having a bad reputation, disreputable; of bad report; notoriously vile; detestable; widely known, especially for something bad.

As nouns the difference between affected and vain

is that affected is someone , as by a disease while vain is .

As an adjective affected

is influenced or changed by something.

As a verb affected

is (affect).