As nouns the difference between pedestrian and footman

is that pedestrian is somebody walking rather than using a vehicle; somebody traveling on foot on or near a roadway while footman is (label) a soldier who marches and fights on foot; a foot soldier.

As an adjective pedestrian

is (not comparable) of or intended for those who are walking.

As nouns the difference between applicant and requester

is that applicant is one who applies for something; one who makes request; a petitioner while requester is one who, or that which, makes a request.

As nouns the difference between applicant and requestor

is that applicant is one who applies for something; one who makes request; a petitioner while requestor is one who, or that which, makes a request.

As nouns the difference between diffusion and dispatching

is that diffusion is diffusion (physics: the intermingling of the molecules of a fluid due to random thermal agitation) while dispatching is the sending of somebody or something to a destination for a purpose.

As a verb dispatching is

.

As nouns the difference between diffusion and dispatch

is that diffusion is diffusion (physics: the intermingling of the molecules of a fluid due to random thermal agitation) while dispatch is a message sent quickly, as a shipment, a prompt settlement of a business, or an important official message sent by a diplomat, or military officer.

As a verb dispatch is

to send a shipment with promptness.

As adjectives the difference between active and octave

is that active is having the power or quality of acting; causing change; communicating action or motion; acting;—opposed to passive, that receives while octave is consisting of eight; eight in number.

As nouns the difference between active and octave

is that active is a person or thing that is acting or capable of acting while octave is an interval of twelve semitones spanning eight degrees of the diatonic scale, representing a doubling or halving in pitch.

As nouns the difference between scent and savour

is that scent is a distinctive odour or smell while savour is the specific taste or smell of something.

As verbs the difference between scent and savour

is that scent is to detect the scent of while savour is to possess a particular taste or smell, or a distinctive quality.

As verbs the difference between inscribe and carve

is that inscribe is to write or cut words onto something, especially a hard surface; to engrave while carve is to cut.

As a noun carve is

a carucate.

As nouns the difference between crank and oddity

is that crank is a bent piece of an axle or shaft, or an attached arm perpendicular, or nearly so, to the end of a shaft or wheel, used to impart a rotation to a wheel or other mechanical device; also used to change circular into reciprocating motion, or reciprocating into circular motion while oddity is an odd or strange thing or opinion.

As an adjective crank

is strange, weird, odd.

As a verb crank

is to turn by means of a crank.

As verbs the difference between simulate and assume

is that simulate is to model, replicate, duplicate the behavior, appearance or properties of while assume is to authenticate by means of belief; to surmise; to suppose to be true, especially without proof.

As an adjective simulate

is feigned; pretended.