As nouns the difference between maximum and most

is that maximum is the highest limit while most is the greatest amount.

As an adjective maximum

is to the highest degree.

As a determiner most is

superlative form of much.

As an adverb most is

superlative form of many.

In geometry terms the difference between chord and diameter

is that chord is a straight line between two points of a curve while diameter is the maximum distance between any two points in a metric space.

As nouns the difference between chord and diameter

is that chord is (music) A harmonic set of three or more notes that is heard as if sounding simultaneously while diameter is any straight line between two points on the circumference of a circle that passes through the centre/center of the circle.

As a verb chord

is to write chords for.

As verbs the difference between servicing and working

is that servicing is while working is .

As nouns the difference between servicing and working

is that servicing is the act of performing maintenance on something while working is (usually plural) operation; action.

As an adjective working is

that is or are functioning.

As verbs the difference between mourn and grumbled

is that mourn is to express sadness or sorrow for; to grieve over (especially a death) while grumbled is past tense of grumble.

As a noun mourn

is sorrow, grief.

As adjectives the difference between psychopathic and psychometric

is that psychopathic is exhibiting the behaviors and personality traits of a psychopath while psychometric is of or pertaining to psychometrics.

As nouns the difference between hello and go

is that hello is "!" or an equivalent greeting while go is water.

As an interjection hello

is .

As a verb hello

is to greet with "hello".

As nouns the difference between tango and flamenco

is that tango is a Standard ballroom dance in 4/4 time; or a social dance, the Argentine tango while flamenco is a genre of folk music and dance native to Andalusia, in Spain.

As a verb tango

is to dance the tango.

As verbs the difference between promoting and enabling

is that promoting is present participle of lang=en while enabling is present participle of lang=en.

As adjectives the difference between profound and proficient

is that profound is descending far below the surface; opening or reaching to great depth; deep while proficient is good at; skilled; fluent; practiced, especially in relation to a task or skill.

As nouns the difference between profound and proficient

is that profound is the deep; the sea; the ocean while proficient is an expert.

As a verb profound

is to cause to sink deeply; to cause to dive or penetrate far down.

As verbs the difference between assimilate and affiliate

is that assimilate is to incorporate nutrients into the body, especially after digestion while affiliate is to adopt; to receive into a family as a son; hence, to bring or receive into close connection; to ally.

As a noun affiliate is

someone or something that is affiliated, or associated; a member of a group of associated things.