Bestows is a seven-letter word with w as the sixth letter.
highway
preview
wedlock
willows
cowbell
shallow shallow
warlord, wielded
woe
sundown..rundown
swallow
No seven letter word could be found in the TWL (the Scrabble dictionary). If you can play off of a W, A, or I, these eight-letter words can be made for a bingo:citywardcaryatidacridity