Dullness is a related term of weariness.

As nouns the difference between dullness and weariness

is that dullness is the quality of being slow to understand things while weariness is exhaustion, fatigue or tiredness.

Tenuous is a related term of lightweight.

As adjectives the difference between tenuous and lightweight

is that tenuous is thin in substance or consistency while lightweight is lacking in earnestness, ability, or profundity.

As a noun lightweight is

(boxing) a boxer in a weight division having a maximum limit of 135 pounds for professionals and 132 pounds for amateurs.

Copy is a related term of incarnation.

As a noun copy

is the result of copying; an identical duplicate of an original.

As a verb copy

is (label) to produce an object identical to a given object.

As a proper noun incarnation is

(christianity) the doctrine that the second person of the trinity assumed human form in the person of jesus christ and is fully divine and fully human.

In intransitive terms the difference between strengthen and deepen

is that strengthen is to grow strong or stronger while deepen is to become lower in tone.

As verbs the difference between strengthen and deepen

is that strengthen is to make strong or stronger; to add strength to; to increase the strength of; to fortify; to reinforce while deepen is to make deep or deeper.

Blaze is a synonym of outbreak.

In lang=en terms the difference between blaze and outbreak

is that blaze is to mark or cut (a route, especially through vegetation), or figuratively, to set a precedent for the taking-on of a challenge while outbreak is to break forth.

As nouns the difference between blaze and outbreak

is that blaze is a fire, especially a fast-burning fire producing a lot of flames and light while outbreak is an eruption, sudden appearance.

As verbs the difference between blaze and outbreak

is that blaze is to be on fire, especially producing a lot of flames and light while outbreak is to burst out.

Refractory is a related term of insolent.

As adjectives the difference between refractory and insolent

is that refractory is obstinate and unruly; strongly opposed to something while insolent is insulting in manner or words.

As a noun refractory

is a material or piece of material, such as a brick, that has a very high melting point.

Chimera is a related term of nightmare.

As nouns the difference between chimera and nightmare

is that chimera is chimera while nightmare is a female demon or monster, thought to plague people while they slept and cause a feeling of suffocation and terror during sleep.

Eccentric is a related term of unsystematic.

As adjectives the difference between eccentric and unsystematic

is that eccentric is not at or in the centre; away from the centre while unsystematic is not systematic.

As a noun eccentric

is one who does not behave like others.

Fret is a related term of pique.

As an adjective fret

is cold.

As a noun pique is

a kind of ribbed or corded fabric.

As adjectives the difference between viscous and solid

is that viscous is having a thick, sticky consistency between solid and liquid while solid is in the state of a solid; not fluid.

As a noun solid is

a substance in the fundamental state of matter that retains its size and shape without need of a container (as opposed to a liquid or gas).

As an adverb solid is

solidly.

As an acronym SOLID is

acronym of Single responsibility Open-closed, Liskov substitution, Interface segregation and Dependency inversion|lang=en When followed, the created system will be more likely easy to maintain, and extend over time.