a positive word for criticism would be critiquing. Critiquing is a form of pointing out mistakes such as when a teacher critiques your work.
"Our teacher simply loves criticizing our work; it seems there's nothing right with it at all."
assertive
One such word is criticize.
Some people find hypercritical mean by criticizing.
A hater is somebody who "hates" on someone or something by constantly criticizing it.
*insert criticizing a literary piece
The word is spelled criticize, just as you spelled it.
It was a very critical surgery that bills dog had to get
When you are criticizing someone's grammar, you can miss what they are saying.
which is easier criticizing a claim or defending a defending claim
Criticizing is the present participle of criticize. The past tense is criticized.
The company encouraged the employees to give constructive criticism about the production process