come

As a noun comet

is (astronomy) a celestial body consisting mainly of ice, dust and gas in a (usually very eccentric) orbit around the sun and having a "tail" of matter blown back from it by the solar wind as it approaches the sun.

As a verb come is

to (to consume food).

As a pronoun some

is a certain number, at least one.

As a determiner some

is a certain proportion of, at least one.

As an adverb some

is of a measurement; approximately, roughly.

As a verb come is

to (to consume food).

As verbs the difference between precum and come

is that precum is (slang) to release cowper's fluid, pre-ejaculate while come is to (to consume food).

As a noun precum

is (slang) cowper's fluid, pre-ejaculate.

As a noun taxonomy

is the science or the technique used to make a classification.

As a verb come is

to (to consume food).

As a verb come is

to (to consume food).

As a verb come

is to (to consume food).

As an adverb be is

well.

As verbs the difference between return and come

is that return is to come or go back (to a place or person) while come is to (to consume food).

As a noun return

is the act of returning.

As verbs the difference between emanate and come

is that emanate is to come from a source; issue from while come is to (to consume food).

As verbs the difference between come and grow

is that come is to (to consume food) while grow is (ergative) to become bigger.