Danish English Dictionary 1780s: https://books.google.com/books?id=XIlFAAAAcAAJ&pg=PP508&dq=tugthuus&hl=en&sa=X&ved=0ahUKEwjAvrmk-MjVAhXkx1QKHStrDaY4FBDoAQhXMAc#v=onepage&q=tugthuus&f=false
1770 Grammatica for Denmark: https://books.google.com/books?id=wmFgAAAAcAAJ&pg=PA329&dq=tugthuus&hl=en&sa=X&ved=0ahUKEwjAvrmk-MjVAhXkx1QKHStrDaY4FBDoAQhjMAk#v=onepage&q=tugthuus&f=false
This site contains the Danish Genealogical Dictionary by Gay P. Kowallis as well as other class material useful in Danish research: Danish Word Lists
Another site listing Norwegian [many Danish words also] genealogical words with translation is available at this link
Danish word list: https://mathomhouse.typepad.com/bluestocking/danish-genealogy-word-list-a-g.html