As nouns the difference between submarine and battleship

is that submarine is a boat that can go underwater while battleship is large capital warship displacing tens of thousands of tons, heavily armoured and armed with big guns. Battleships are now obsolescent, replaced by smaller vessels with guided missiles. Types: dreadnought, pre-dreadnought.

As an adjective submarine

is undersea.

As a verb submarine

is to operate or serve on a submarine.

As adjectives the difference between deliberate and eloquent

is that deliberate is done on purpose; intentional while eloquent is eloquent (fluently persuasive and articulate).

As a verb deliberate

is to consider carefully.

In transitive terms the difference between flank and full

is that flank is to place to the side(s) of something while full is to baptise.

As an adverb full is

quite; thoroughly; completely; exactly; entirely.

As verbs the difference between spied and detected

is that spied is (spy) while detected is (detect).

As an adjective detected is

referring to something that has been noticed.

As adjectives the difference between cissexual and heterosexual

is that cissexual is having a gender identity which matches one's birth sex; for example, identifying as male and having (been born with) male genitalia while heterosexual is sexually attracted to members of the opposite sex.

As a noun heterosexual is

a heterosexual person, or other heterosexual organism.

As nouns the difference between clothes and accessories

is that clothes is (plural only) items of clothing; apparel while accessories is .

As a verb clothes

is (clothe).

In lang=en terms the difference between suggest and deny

is that suggest is to recommend while deny is to refuse to give or grant something to someone.

As verbs the difference between suggest and deny

is that suggest is to imply but stop short of saying explicitly while deny is to not allow.

As a noun show

is show, spectacle.

As a verb deliver is

to set free.

As verbs the difference between considered and promised

is that considered is (consider) while promised is (promise).

As a noun admissions

is .

As a preposition about is

in a circle around; all round; on every side of; on the outside of .

As an adverb about is

not distant; approximate.

As an adjective about is

moving around; astir.