As a preposition with

is against.

As an adverb with

is (midwestern us) along, together with others/group etc.

As a noun with

is .

As an initialism if is

interactive fiction.

As adjectives the difference between displayable and showable

is that displayable is capable of being displayed while showable is capable of, or suitable for, being shown; exhibitable.

As nouns the difference between intuition and morale

is that intuition is (pedantic) while morale is the capacity of people to maintain belief in an institution or a goal, or even in oneself and others.

As verbs the difference between incite and impede

is that incite is while impede is to get in the way of; to hinder.

As adjectives the difference between airtight and sealable

is that airtight is being impermeable to air or other gases while sealable is that may be sealed.

As adjectives the difference between unpromising and ominous

is that unpromising is not promising while ominous is of or pertaining to an omen or to omens; being or exhibiting an omen; significant.

As verbs the difference between conceded and relented

is that conceded is (concede) while relented is (relent).

As nouns the difference between separation and diremption

is that separation is separation while diremption is (rare) a ripping apart; a forceful sundering.

As nouns the difference between comrades and companion

is that comrades is while companion is a friend, acquaintance, or partner; someone with whom one spends time or keeps company.

As a verb companion is

(obsolete) to be a companion to; to attend on; to accompany.

As adjectives the difference between parsimonious and concise

is that parsimonious is exhibiting parsimony; sparing in expenditure of money; frugal to excess; penurious; niggardly; stingy while concise is brief, yet including all important information.