I am writing an historical novel, and I try to make my characters speaking and writing as everybody did at the time. But I don't know when we began to use "practice" as a verb instead of "practise". ...
Playing around with Google's Ngram viewer, where you can see how many times a word is used in books, I stumbled on this: It shows how often universe and Universe have been used in books. I think ...
I've previously used "conversely" to mean "on the other hand". For example. I always thought this the correct usage. Conversely, I might be wrong. However, the OED defines it as: In the ...