the Wildcard Tagger (as well as the Dictionary Tagger) needs to inputs. One input table contains the documents to tag and the other input represents the dictionary to tag with. The Wildcard Tagger is a Dictionary Tagger as well but it can handle wildcards and regular expressions in the dictionary. To anser your question: Yes, you can use the same nodes you are using to define the dictionary tagger input.
To read your dictionary you can use the File Reader node, if you have a file containing the dictionary words. Or you can use the Table Creator node, if you want to create a dictionary data table manually.