According to SOWPODS (the combination of Scrabble dictionaries
used around the world) there are 10 words with the pattern WI---A-.
That is, seven letter words with 1st letter W and 2nd letter I and
6th letter A. In alphabetical order, they are:
wildcat
william
wiltjas
windbag
windway
winesap
wingman
wireman
wiretap
wireway