Wrong again, there's no difference, you're just making up fake shit,

because you don't know the definitions of words your using.

They're synonymous with each other.

https://www.thesaurus.com/browse/study

"Synonyms for study"

"application,

class,

RESEARCH,

consideration,

course,

debate,

examination,

exercise,

inquiry,

inspection,

investigation,

review,

subject,

survey.