examine, inspect, investigate, review
It has a formal connotation.
The least formal connotation refers to a communication style or tone that is casual, relaxed, and informal. It lacks strict adherence to formal rules and conventions, and often includes colloquial language and informal expressions.
It's a suggestion with perhaps a more formal connotation, like a proposal.
Yes, it can be an adjective based on the noun form. Formal has a connotation of an important or official occasion (e.g. formal dinner, formal wear, formal complaint).
The connotation of "prim" often refers to being overly proper, formal, or rigid in behavior and appearance. It can suggest a sense of prudishness or excessive adherence to social norms.
There is no connotation of formality or informality in any of these words.
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Latin-derived words in English tend to have a colder, more formal connotation compared to Germanic-derived words. Latin roots are often associated with technical or academic language, while Germanic roots are more common in everyday speech.
There is no formal word encrested, although it might have a better connotation than the actual term encrusted (covered with, coated, embellished).
It is a neutral connotation.
Negative connotation
...connotation!