afterward

As adverbs the difference between afterward and once

is that afterward is (us) subsequently to some other action while once is before.

As a noun once is

before.

As adverbs the difference between afterward and hereafter

is that afterward is (us) subsequently to some other action while hereafter is in time to come; in some future time or state.

As a noun hereafter is

a future existence or state.

As an adverb afterward

is (us) subsequently to some other action.

As an adjective following is

coming next, either in sequence or in time.

As a preposition following is

after, subsequent to.

As a noun following is

a group of followers, attendants or admirers; an entourage.

As a noun posterity

is all the future generations, especially the descendants of a specific person.

As an adverb afterward is

(us) subsequently to some other action.

As an adverb afterward

is (us) subsequently to some other action.

As an adjective undefined is

lacking a definition or value.

As adverbs the difference between afterward and hence

is that afterward is (us) subsequently to some other action while hence is (archaic) from here, from this place, away.

As a verb hence is

(obsolete) to send away.

As adverbs the difference between afterward and before

is that afterward is subsequently to some other action while before is at an earlier time.

As a preposition before is

earlier than (in time).

As a conjunction before is

in advance of the time when.

As a preposition toward

is in the direction of.

As an adjective toward

is (obsolete) future; to come.

As an adverb afterward is

(us) subsequently to some other action.

As adverbs the difference between henceforth and afterward

is that henceforth is from now on; from this time on while afterward is subsequently to some other action.

As adverbs the difference between next and afterward

is that next is in a time, place or sequence closest or following while afterward is subsequently to some other action.

As an adjective next

is following in a sequence.

As a determiner next

is the one immediately following the current or most recent one.

As a preposition next

is on the side of; next to.

As a noun next

is the one that follows after this one.