overpoweringoverwhelming
orchard
Overwhelming is a synonym for awesome. It begins with O.
Obscure is a synonym for confuse.
Offend is a synonym for the word hurt. It begins with the letter O.
Ontario
ont
Active is a synonym for athletic. It starts with the letter a.
Antique has a synonym of obsolete. Obsolete has a synonym of outmoded. Since outmode is a transient verb it is always conjugated. But outmode is a word, it is 7 letters and it is a synonym for antique.
Substantial is a synonym for big that starts with S.
Boost is a synonym for the word lift and starts with the letter B.
A synonym for bully that starts with "d" is "domineer."