fulfill

As a verb fulfill

is to fill full; fill to the utmost capacity; fill up.

As a noun filler is

one who fills.

As an adverb fully

is in a full manner; without lack or defect.

As a verb fulfill is

to fill full; fill to the utmost capacity; fill up.

As verbs the difference between fulfill and gain

is that fulfill is (archaic) to fill full; fill to the utmost capacity; fill up while gain is to acquire possession of what one did not have before.

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 noun 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.

Fulfill is a related term of perfect.

As verbs the difference between fulfill and perfect

is that fulfill is (archaic) to fill full; fill to the utmost capacity; fill up while perfect is to make perfect; to improve or hone.

As an adjective perfect is

fitting its definition precisely.

As a noun perfect is

(grammar) the perfect tense, or a form in that tense.

As verbs the difference between fulfill and source

is that fulfill is (archaic) to fill full; fill to the utmost capacity; fill up while source is (chiefly|us) to obtain or procure:.

As a noun source is

the person, place or thing from which something (information, goods, etc) comes or is acquired.

As verbs the difference between convey and fulfill

is that convey is to transport; to carry; to take from one place to another while fulfill is (archaic) to fill full; fill to the utmost capacity; fill up.

As a verb fulfill

is (archaic) to fill full; fill to the utmost capacity; fill up.

As an adjective complacent is

uncritically satisfied with oneself or one's achievements; smug.

As verbs the difference between fulfill and delight

is that fulfill is (archaic) to fill full; fill to the utmost capacity; fill up while delight is to give delight to; to affect with great pleasure; to please highly.

As a noun delight is

joy; pleasure.

As verbs the difference between enforce and fulfill

is that enforce is (obsolete|transitive) to strengthen (a castle, town etc) with extra troops, fortifications etc while fulfill is (archaic) to fill full; fill to the utmost capacity; fill up.