Provident is a synonym of judicious.

As adjectives the difference between judicious and provident

is that judicious is having, characterized by, or done with good judgment or sound thinking while provident is possessing, exercising, or demonstrating great care and consideration for the future.

Scheming is a related term of astute.

As adjectives the difference between scheming and astute

is that scheming is (pejorative) tending to while astute is quickly and critically discerning.

As a verb scheming

is .

Usual is a related term of classic.

As adjectives the difference between usual and classic

is that usual is most commonly occurring while classic is of or relating to the first class or rank, especially in literature or art.

As a noun classic is

a perfect and/or early example of a particular style.

Box is a related term of sarcophagus.

As nouns the difference between box and sarcophagus

is that box is box (rectangular container) while sarcophagus is a stone coffin, often inscribed or decorated with sculpture.

As nouns the difference between circuit and jaunt

is that circuit is the act of moving or revolving around, or as in a circle or orbit; a revolution; as, the periodical circuit of the earth around the sun while jaunt is a wearisome journey.

As verbs the difference between circuit and jaunt

is that circuit is to move in a circle; to go round; to circulate while jaunt is to ramble here and there; to stroll; to make an excursion.

Mercurial is a related term of expeditiously.

As a noun mercurial

is (obsolete) any of the plants known as mercury.

As an adjective mercurial

is (often capitalized, see (mercurial)) pertaining to the planet mercury.

As an adverb expeditiously is

in an expeditious manner.

As adjectives the difference between insensible and humdrum

is that insensible is unable to be perceived by the senses while humdrum is lacking variety or excitement; dull; boring.

As a noun humdrum is

the quality of lacking variety or excitement; dullness.

As adjectives the difference between inky and cimmerian

is that inky is of the colour of ink, especially black ink; dark while cimmerian is perpetually dark or gloomy.

As a noun Cimmerian is

any of the mythical people supposed to inhabit a land of perpetual darkness.

As a proper noun Cimmerian is

the language of the Cimmerians, possibly belonging to the Iranian branch.

Efficient is a related term of serious.

As adjectives the difference between efficient and serious

is that efficient is efficient while serious is without humor or expression of happiness; grave in manner or disposition; earnest; thoughtful; solemn.

Beseech is a related term of inquire.

As verbs the difference between beseech and inquire

is that beseech is to beg or implore while inquire is (lb) to ask (about something).

As a noun beseech

is (archaic) a request.