knock

How to sign: find fault with; express criticism of; point out real or perceived flaws
"The paper criticized the new movie"; "Don't knock the food--it's free";

Similiar / Same: criticize, criticise, pick apart

Categories: comment, notice, point out, remark

Within this category: admonish, attack, belabor, blame, call on the carpet, come down, denounce, deplore, disparage, nitpick, reprehend, reprimand, savage

knock

How to sign: a vigorous blow
"the sudden knock floored him"; "he took a bash right in his face"; "he got a bang on the head";

Similiar / Same: bash, bang, smash, belt

Categories: blow, bump