Futile is a related term of valueless.

As adjectives the difference between futile and valueless

is that futile is incapable of producing results; useless; not successful; not worth attempting while valueless is having no value.

Foul is a related term of unbearable.

As a noun foul

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

As an adjective unbearable is

so unpleasant or painful as to be unendurable.

Unsophisticated is a related term of demotic.

As adjectives the difference between unsophisticated and demotic

is that unsophisticated is not sophisticated; lacking sophistication while demotic is of or for the common people.

As a noun demotic is

(linguistics) language as spoken or written by the common people.

Sunny is a related term of gleeful.

As adjectives the difference between sunny and gleeful

is that sunny is (of weather or a day) featuring a lot of sunshine while gleeful is exuberantly or triumphantly joyful.

As an adverb sunny

is (us|regional) sunny side up.

As a noun sunny

is a sunfish.

Dissembling is a related term of deceptive.

As a noun dissembling

is the action of the verb dissemble .

As a verb dissembling

is .

As an adjective deceptive is

.

As nouns the difference between hound and buff

is that hound is a dog, particularly a breed with a good sense of smell developed for hunting other animals. (hunt hound, hunting hound, hunting dog, hunter while buff is undyed leather from the skin of buffalo or similar animals.

As verbs the difference between hound and buff

is that hound is to persistently harass while buff is to polish and make shiny by rubbing.

As an adjective buff is

of the color of buff leather, a brownish yellow.

As an acronym BUFF is

big Ugly Fat Fellow (or Fucker); US Airforce nickname for the B-52 bomber.

Federation is a related term of band.

As nouns the difference between federation and band

is that federation is federation while band is tape.

Grievance is a related term of care.

As nouns the difference between grievance and care

is that grievance is (countable) something which causes grief while care is tear, rift, crack.

Throng is a related term of jumble.

As nouns the difference between throng and jumble

is that throng is a group of people crowded or gathered closely together; a multitude while jumble is a mixture of unrelated things.

As verbs the difference between throng and jumble

is that throng is (label) to crowd into a place, especially to fill it while jumble is to mix or confuse.

As an adjective throng

is (scotland|northern england|dialect) filled with persons or objects; crowded.

Categorisation is a related term of gradation.

As nouns the difference between categorisation and gradation

is that categorisation is categorisation while gradation is a sequence of gradual, successive stages; a systematic progression.

As a verb gradation is

to form with gradations.