spark

As nouns the difference between love and spark

is that love is money while spark is a small particle of glowing matter, either molten or on fire or spark can be a gallant, a foppish young man.

As a verb spark is

to trigger, kindle into activity (an argument, etc) or spark can be to woo, court.

In transitive terms the difference between spark and start

is that spark is to trigger, kindle into activity (an argument, etc) while start is to move suddenly from its place or position; to displace or loosen; to dislocate.

In intransitive terms the difference between spark and start

is that spark is to give off a spark or sparks while start is to break away, to come loose.

As an acronym START is

acronym of lang=en|Strategic Arms Reduction Treaty.

As nouns the difference between spark and pinch

is that spark is a small particle of glowing matter, either molten or on fire while pinch is the action of squeezing a small amount of a person's skin and flesh, making it hurt.

As verbs the difference between spark and pinch

is that spark is to trigger, kindle into activity (an argument, etc) while pinch is to squeeze a small amount of a person's skin and flesh, making it hurt.

As nouns the difference between spark and molecule

is that spark is a small particle of glowing matter, either molten or on fire while molecule is the smallest particle of a specific element or compound that retains the chemical properties of that element or compound; two or more atoms held together by chemical bonds.

As a verb spark

is to trigger, kindle into activity (an argument, etc).

In transitive terms the difference between spark and stir

is that spark is to trigger, kindle into activity (an argument, etc) while stir is to incite to action; to arouse; to instigate; to prompt; to excite.

In intransitive terms the difference between spark and stir

is that spark is to give off a spark or sparks while stir is to become the object of notice; to be on foot.