HinKhoj Dictionary

Genealogy - (the study of) the history of the past and present members of a family or families
Morphology -the study of the form of words and phrases
Necrology - a list of people who died within a certain period of time
Petrology - the study of rocks
Chronology - a record of events in the order of their occurrence
Oncology - the study and treatment of tumors (= masses of cells) in the body