Synonyms For "Acid" :

1 syllable:

dose, dot, pane

2 syllables:

acerb, acrid, bitter, caustic

3 syllables:

acerbic, acidic, blistering, loony toons, sulfurous, sulphurous, superman, unpleasant, virulent, window pane

4 syllables:

acidulent, acidulous, vitriolic