Still more tools for making WordWhile challenges

This online ngram search engine is fantastic:

It is based on the Open American National Corpus, which consists of about 15 million words of spoken and written American English.  With the search engine, I can look for, for example, all the occurrences of “dreadful *” (i.e. “dreadful” followed by any word) to give me ideas for replacing “marches” in “Our dreadful marches” from the “Now is the winter of our discontent” speech in Richard III). Dreadful diseases, punishment, thoughts, ineptitude,…


When I want to find words that match a regular expression (for example, “begin with the letter J” which is /^j/) and can be used as specific part of speech (noun, verb, etc.), I turn to this dictionary: