As adjectives the difference between gleeful and blissful

is that gleeful is exuberantly or triumphantly joyful while blissful is extremely happy; full of joy; experiencing, indicating, causing, or characterized by bliss.

Tenderness is a related term of beneficence.

As nouns the difference between tenderness and beneficence

is that tenderness is a tendency to express warm, compassionate feelings while beneficence is an act of philanthropy, a kind deed; an act which benefits someone (else).

As nouns the difference between entertainment and regale

is that entertainment is an activity designed to give pleasure, enjoyment, diversion, amusement, or relaxation to an audience, no matter whether the audience participates passively as in watching opera or a movie, or actively as in games while regale is a feast, meal.

As a verb regale is

to please or entertain (someone).

Mischievous is a related term of invidious.

As adjectives the difference between mischievous and invidious

is that mischievous is causing mischief; injurious while invidious is (of a distinction) offensively or unfairly discriminating.

Affirm is a related term of screech.

As verbs the difference between affirm and screech

is that affirm is to agree, verify or concur; to answer positively while screech is to make such a sound.

As a noun screech is

a high-pitched strident or piercing sound, such as that between a moving object and any surface.

In astronomy terms the difference between cluster and circle

is that cluster is a group of galaxies or stars that appear near each other while circle is an instrument of observation, whose graduated limb consists of an entire circle. When fixed to a wall in an observatory, it is called a mural circle; when mounted with a telescope on an axis and in Y's, in the plane of the meridian, a meridian or transit circle; when involving the principle of reflection, like the sextant, a reflecting circle; and when that of repeating an angle several times continuously along the graduated limb, a repeating circle.

In intransitive terms the difference between cluster and circle

is that cluster is to form a cluster or group while circle is to travel in circles.

As nouns the difference between mischance and visitation

is that mischance is bad luck, misfortune while visitation is the act of visiting, or an instance of being visited.

As a proper noun Visitation is

the visit of the Virgin Mary to her cousin Elizabeth; the commemoration of this on 30 May in Eastern Christianity or 31 May in Western Christianity.

Fault is a related term of taint.

In obsolete|lang=en terms the difference between fault and taint

is that fault is (obsolete) want; lack while taint is (obsolete) infection; corruption; deprivation.

In lang=en terms the difference between fault and taint

is that fault is to commit a mistake or error while taint is to thrust ineffectually with a lance.

As nouns the difference between fault and taint

is that fault is a defect; something that detracts from perfection while taint is a (l), (l) or (l), especially in (l) or taint can be a (l) with a (l), which fails of its intended (l) or taint can be (slang) the (l).

As verbs the difference between fault and taint

is that fault is to criticize, blame or find fault with something or someone while taint is to (l) or (l) (something) with an external (l), either (l) or (l) or taint can be to damage, as a lance, without breaking it; also, to break, as a lance, but usually in an unknightly or unscientific manner.

In obsolete terms the difference between ponder and guess

is that ponder is to weigh while guess is to hit upon or reproduce by memory.

As verbs the difference between ponder and guess

is that ponder is to wonder, to think of deeply while guess is to reach a partly (or totally) unqualified conclusion.

As a noun guess is

a prediction about the outcome of something, typically made without factual evidence or support.

Imperfect is a related term of dull.

As adjectives the difference between imperfect and dull

is that imperfect is not perfect while dull is lacking the ability to cut easily; not sharp.

As a noun imperfect

is something having a minor flaw.

As a verb dull is

to render dull; to remove or blunt an edge or something that was sharp.