Crossword clues for Of an acid: Prefix:ACETOAcidic prefixAMIDOAcid prefixAMINOSAcid prefixesACETOAcid: Prefix.ACETOOf an acid: PrefixOXALOf an acid: PrefixSTEARFatty acid: PrefixANTPrefix for acid or arctic.TRIPrefix for acid or cornACETPrefix for an acid.