her, hero, in, he, I (there are only 5)
Herein
The word you're looking for is "hasten." The eight words contained within it without transposing any letters are: has, hat, ten, eat, at, as, an, and he.
herein herein
therein
in hoe hi one on her hero no
THEREIN
Eleven states have exactly eight letters in their names.
A word that has eight letters is pictures
Weights- take away the 'w' and 's' and you get 'eight'- weights
Seven letters - not eight letters listed in question Bushier
Growling
No continent has eight letters. The closest is Australia with nine letters.