Serious is a related term of sedulous.

As adjectives the difference between serious and sedulous

is that serious is without humor or expression of happiness; grave in manner or disposition; earnest; thoughtful; solemn while sedulous is diligent in application or pursuit; constant, steady, and persevering in business or in endeavors to effect an object; steadily industrious; assiduous.

Brutal is a related term of black.

As an adjective brutal

is (senseid)savagely violent, vicious, ruthless, or cruel.

As a proper noun black is

.

Unfeeling is a related term of dead.

As an adjective unfeeling

is without emotion or sympathy.

As a noun dead is

tooth.

Moist is a related term of cold.

In medicine|lang=en terms the difference between moist and cold

is that moist is (medicine) characterised by the presence of pus, mucus etc while cold is (medicine) a common, usually harmless, viral illness, usually with congestion of the nasal passages and sometimes fever.

As adjectives the difference between moist and cold

is that moist is slightly wet; characterised by the presence of moisture, not dry; damp while cold is (label) having a low temperature.

As a noun cold is

a condition of low temperature.

As an adverb cold is

while at low temperature.

Harsh is a related term of uncompassionate.

As adjectives the difference between harsh and uncompassionate

is that harsh is unpleasantly rough to the touch or other senses while uncompassionate is not compassionate.

As a verb harsh

is (slang) to negatively criticize.

In transitive terms the difference between joggle and bump

is that joggle is to shake slightly; to push suddenly but slightly, so as to cause to shake or totter; to jostle; to jog while bump is to move the time of a scheduled event.

As a proper noun Bump is

{{surname|lang=en}.

Laborious is a related term of knotty.

As adjectives the difference between laborious and knotty

is that laborious is requiring much physical effort; toilsome while knotty is full of knots.

Safekeeping is a related term of control.

As nouns the difference between safekeeping and control

is that safekeeping is the act of keeping something safe; protection from harm, damage, loss, or theft while control is (countable|uncountable) influence or authority over.

As a verb control is

to exercise influence over; to suggest or dictate the behavior of.

Concealed is a related term of pernicious.

As a verb concealed

is (conceal).

As an adjective pernicious is

causing much harm in a subtle way.

Inappropriate is a related term of foul.

As an adjective inappropriate

is not appropriate; not suitable for the situation, time, and/or place.

As a noun foul is

foul (a breach of the rules of a game).