Opinionated is a related term of conservative.

As an adjective opinionated

is having very strong opinions.

As a proper noun conservative is

conservative party.

Breastwork is a related term of barbette.

In nautical|lang=en terms the difference between breastwork and barbette

is that breastwork is (nautical) a railing on the quarter-deck and forecastle while barbette is (nautical) the inside fixed trunk of a warship's gun-mounting, on which the turret revolves it contains the hoists for shells and cordite from the shell-room and magazine.

As nouns the difference between breastwork and barbette

is that breastwork is a fortification consisting of a breast-high bulwark; a parapet while barbette is a mound of earth or a platform in a fortification, on which guns are mounted to fire over the parapet.

As nouns the difference between glow and earnestness

is that glow is the state of a glowing object while earnestness is the quality of being earnest; sincerity; seriousness.

As a verb glow

is to give off light from heat or to emit light as if heated.

Pifling is a related term of niggardly.

As an adjective niggardly is

withholding for the sake of meanness; stingy, miserly.

As an adverb niggardly is

in a parsimonious way; sparingly, stingily.

Tiresome is a related term of mundane.

As adjectives the difference between tiresome and mundane

is that tiresome is causing fatigue or boredom; wearisome while mundane is worldly, earthly, profane, vulgar as opposed to heavenly.

As a noun mundane is

an unremarkable, ordinary human being.

As nouns the difference between responsibility and undertaking

is that responsibility is the state of being responsible, accountable, or answerable while undertaking is the business of an undertaker, or the management of funerals.

As a verb undertaking is

present participle of lang=en.

As adjectives the difference between excited and infuriated

is that excited is having great enthusiasm while infuriated is extremely angry.

As verbs the difference between excited and infuriated

is that excited is past participle of lang=en while infuriated is past tense of infuriate.

Fit is a related term of deserving.

As an abbreviation fit

is (travel industry|aviation) fully inclusive tour.

As an adjective deserving is

worthy of reward or praise; meritorious.

As a noun deserving is

desert, merit.

As a verb deserving is

.

Open is a synonym of vulnerable.

As a noun open

is .

As an adjective vulnerable is

vulnerable.

Check is a related term of depress.

As verbs the difference between check and depress

is that check is to inspect; to examine while depress is to press down.

As a noun check

is (chess) a situation in which the king is directly threatened by an opposing piece or check can be (textiles|usually|pluralized) a pattern made up of a grid of squares of alternating colors; a checkered pattern.