Common Words:
* afraid
* after
* afternoon
* again
* against
* age
* ago
* ahead
* air
* aisle
* aloud
* already
* also
* although
* always
Less Common Words:
* afire
* afloat
* afoot
* aforementioned
* aforethought
* afresh
* afright
* afraid
* afield
* aflame
* affidavit
* affiliate
* affirm
* afflict
* affluence
* affront
* afore
* aforesaid
* afterglow
* afterlife
* aftermath
* aftertaste
* afterward
Words from Other Languages:
* Afrikaans (a language spoken in South Africa)
* afghan (relating to Afghanistan)
This is not an exhaustive list, as there are many other words with the prefix "af" in English and other languages. The prefix "af" can indicate various meanings, including:
* Away from: as in "afraid" (away from fear) or "after" (away from before)
* To, towards: as in "afoot" (on foot) or "afield" (towards the field)
* Again, anew: as in "again" or "afresh"
Please note that some words listed above have a prefix other than "af", such as "aforementioned" which actually uses the prefix "afore".