If you are doing genealogy in Scandinavia, it is helpful to have some standard words. Below is a table that will give you the ones that come up most often.
Here are some helpful links for more genealogy words:
Denmark
https://www.familysearch.org/wiki/en/Danish_Genealogical_Word_List
https://mathomhouse.typepad.com/bluestocking/danish-genealogy-word-list-a-g.html
https://www.sa.dk/wp-content/uploads/2015/05/Genealogical-Dictionary.pdf
Norway
https://www.familysearch.org/wiki/en/Norwegian_Genealogical_Word_List
Sweden
http://sites.rootsweb.com/~swewgw/Fact/Dict/facdic02.htm
https://www.familysearch.org/wiki/en/Swedish_Genealogical_Word_List