In transitive terms the difference between picture and diagram

is that picture is to depict while diagram is to represent or indicate something using a diagram.

In lang=en terms the difference between sustain and optimize

is that sustain is to confirm, prove, or corroborate while optimize is to become optimal.

As verbs the difference between sustain and optimize

is that sustain is to maintain, or keep in existence while optimize is (originally|intransitive) to act optimistically or as an optimist.

As a noun sustain

is (music) a mechanism which can be used to hold a note, as the right pedal on a piano.

As nouns the difference between diamond and glitter

is that diamond is a glimmering glass-like mineral that is an allotrope of carbon in which each atom is surrounded by four others in the form of a tetrahedron while glitter is a bright, sparkling light; brilliant and showy luster; brilliancy; as, the glitter of arms; the glitter of royal equipage.

As verbs the difference between diamond and glitter

is that diamond is to adorn with or as if with diamonds while glitter is to sparkle with light; to shine with a brilliant and broken light or showy luster; to gleam.

As an adjective diamond

is made of, or containing diamond, a diamond or diamonds.

As a proper noun Diamond

is {{given name|female|from=English}} of modern usage, from the name of the gem.

In lang=en terms the difference between minimize and lower

is that minimize is to make (something) as small or as insignificant as possible while lower is to decrease in value, amount, etc.

As verbs the difference between minimize and lower

is that minimize is to make (something) as small or as insignificant as possible while lower is to let descend by its own weight, as something suspended; to let down or lower can be .

As an adjective lower is

(low).

As an adverb lower is

.

As verbs the difference between maximize and high

is that maximize is to make as large as possible while high is (obsolete) to rise or high can be to hie; to hasten.

As a noun high is

(obsolete) thought; intention; determination; purpose or high can be a period of euphoria, from excitement or from an intake of drugs.

As an adjective high is

elevated in position or status; above many things.

As an adverb high is

in or to an elevated position.

As nouns the difference between sincerity and duty

is that sincerity is the quality or state of being sincere; honesty of mind or intention; freedom from simulation, hypocrisy, disguise, or false pretense while duty is that which one is morally or legally obligated to do.

As an adjective sensible

is perceptible by the senses.

As a noun sensible

is sensation; sensibility.

As a verb succeed is

to follow in order; to come next after; hence, to take the place of.

As nouns the difference between bookshelf and bookshelves

is that bookshelf is a shelf or shelves for storing books for easy visual reference while bookshelves is plural of lang=en.

As nouns the difference between shark and food

is that shark is a scaleless, predatory fish of the superorder Selachimorpha, with a cartilaginous skeleton and 5 to 7 gill slits on each side of its head while food is any substance that can be consumed by living organisms, especially by eating, in order to sustain life.

As a verb shark

is to steal or obtain through fraud.

As verbs the difference between originated and derived

is that originated is past tense of originate while derived is past tense of derive.

As an adjective derived is

of, or pertaining to, conditions unique to the descendant species of a clade, and not found in earlier ancestral species.