It could be, but it is unusual. Accolades are awards or expressions of praise. Although you might say "congratulations on winning the award," using the word accolades would rarely be applicable.
The correct spelling is 'congratulations'.
Yes, you can say "congratulations to you", but most people usually just say "congratulations!" as an exclamation! :)
Both are correct and commonly used. "Congratulations on your graduation" and "Congratulations for your graduation" have the same meaning and can be used interchangeably.
The sentence "Congratulations, dear friend!" is already properly punctuated.
The correct spelling is congratulation, usually plural congratulations.
The actress received an accolade for her performance.
(It is simply a matter of making it the subject, or leading with a phrase.) "Accolades received by the star include every major award in acting." "Accolades are fine, but I would rather have a higher salary."
The correct grammar is "Congratulations, graduates."
The correct spelling is congratulation, almost always used in the plural, congratulations (commendation).
Both "congratulations on" and "congratulations for" are correct, but they are used in different contexts. "Congratulations on" is used when congratulating someone for a specific achievement or event. "Congratulations for" is used when congratulating someone for a general accomplishment or quality.
Congratulations
"Congratulations" is the correct term to use when offering well-wishes or expressing joy for someone's accomplishment or good news. "Congratulation" is not used in this context.