gaon

As nouns the difference between gaon and kaon

is that gaon is (medieval) an honorific for the head of a jewish academy while kaon is kaon.

As nouns the difference between gaon and geon

is that gaon is (medieval) an honorific for the head of a jewish academy while geon is (physics) a hypothetical electromagnetic or gravitational wave held together in a confined region by the gravitational attraction of its own field energy.

As nouns the difference between gain and gaon

is that gain is the act of gaining or gain can be (architecture) a square or bevelled notch cut out of a girder, binding joist, or other timber which supports a floor beam, so as to receive the end of the floor beam while gaon is (medieval) an honorific for the head of a jewish academy.

As a preposition gain

is (obsolete) against.

As an adjective gain

is (obsolete) straight, direct; near; short.

As an adverb gain

is (obsolete) straightly; quickly; by the nearest way or means.

As a verb gain

is to acquire possession of what one did not have before.