A synonyms for after acting as a preposition would be following (e.g. after the game).
To replace after as an adverb, you can use later, next, subsequent, or thereafter. You can also use these as adjectives in front of a noun to take the place of the adverb form, and in the same way the adjective succeeding.
Some compound words using after are:
Another word for wedding is Marriage. Another word is Matrimony
Another word is but
Another word for curfew is "lockdown."
Superb is another word for excellent. Superb is another word for excellent.
another word for very large
Another word for devastating is sad
Another word for the word answer is reply, response, reaction or retort.
law abider is another word for loyalists
Another word for shake is "Tremble".
another word for provide another word for provide
Is their another word for kind
Another word for scar:blemishmarkwoundscratchinjury