acrid vs acerb

acrid and acerb both are adjectives.

Word	Noun	Adjective	Verb	Adverb
acrid	No	Yes	No	No
acerb	No	Yes	No	No

As adjectives, acrid and acerb are synonyms defined as:

Other synonyms of acrid include acerbic, acid, bitter, blistering, caustic, sulfurous, sulphurous, virulent, vitriolic.

acrid (adjective)	acerb (adjective)
strong and sharp	sour or bitter in taste
harsh or corrosive in tone	harsh or corrosive in tone