According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 1 words with the pattern --WA-A---. That is, nine letter words with 3rd letter W and 4th letter A and 6th letter A. In alphabetical order, they are:
kawakawas
twistable
Bestows is a seven-letter word with w as the sixth letter.
What is a seven letter word with o as the sixth letter
What is a 7 letter word with e as fourth letter and t as sixth letter?
Visitor has the sixth letter being an o.
the only word is Genesis
"Alliteration" is a twelve letter word.
That's natural.
Predict .
Rights of the sixth amendment
Social
mildtan
Steve-n