As nouns the difference between relentlessness and will

is that relentlessness is the condition of being relentless while will is (american football) a weak-side linebacker.

As a proper noun will is

also used as a formal given name.

As nouns the difference between inference and explanation

is that inference is the act or process of inferring by deduction or induction while explanation is the act or process of explaining.

As a verb acquiesce

is .

As a noun capitulation is

a reducing to heads or articles; a formal agreement.

As adjectives the difference between nonchalant and unworried

is that nonchalant is casually calm and relaxed while unworried is free of worries.

As adjectives the difference between celestial and astronomical

is that celestial is relating to heaven in a religious sense while astronomical is of or relating to astronomy.

As a noun celestial

is an inhabitant of heaven.

As adjectives the difference between civilized and primitive

is that civilized is having a highly developed society or culture while primitive is of or pertaining to the beginning or origin, or to early times; original; primordial; primeval; first.

As a noun primitive is

an original or primary word; a word not derived from another, as opposed to {{term|derivative}}.

In obsolete terms the difference between conjecture and fact

is that conjecture is interpretation of signs and omens while fact is feat.

As nouns the difference between conjecture and fact

is that conjecture is a statement or an idea which is unproven, but is thought to be true; a guess while fact is action; the realm of action.

As a verb conjecture

is to guess; to venture an unproven idea.

As an interjection fact is

used before making a statement to introduce it as a trustworthy one.

As an initialism FACT is

federation Against Copyright Theft.

As a noun pessimist

is pessimist.

As an adjective negative is

.

As adjectives the difference between meek and rebellious

is that meek is humble, modest, meager, or self-effacing while rebellious is showing rebellion.

As a verb meek

is (us) (of horses) to.

As adjectives the difference between placid and livid

is that placid is serene; calm while livid is livid.