previously

As a noun now

is new moon.

As an adverb previously is

at an earlier time.

As adverbs the difference between once and previously

is that once is before while previously is at an earlier time.

As a noun once

is before.

As an adverb previously

is at an earlier time.

As a preposition befor is

before.

As a determiner was

is your (plural and polite).

As an adverb previously is

at an earlier time.

As adverbs the difference between above and previously

is that above is directly overhead; vertically on top of while previously is at an earlier time.

As a preposition above

is physically over; on top of; worn on top of, as clothing.

As an adjective above

is of heaven; heavenly.

As a noun above

is heaven.

As adverbs the difference between egregiously and previously

is that egregiously is conspicuously badly (used negatively) while previously is at an earlier time.

As a verb appeared

is past tense of appear.

As an adverb previously is

at an earlier time.

As adverbs the difference between previously and precedently

is that previously is at an earlier time while precedently is beforehand; antecedently.

As adverbs the difference between previously and currently

is that previously is at an earlier time while currently is at this moment, at present, now.

As adverbs the difference between afore and previously

is that afore is before while previously is at an earlier time.

As a preposition afore

is before.

As a conjunction afore

is in advance of the time when; before.