Vulnerability/Vulnerable!!
Label is a synonym for handle (name).
Sailor is a synonym for mariner.
Angst
judgment
Imp.
Voters are people.
voluptuous
its not exactly a synonym of ugly, but 'vile' maybe.
Active is a synonym for athletic. It starts with the letter a.
Weariness, Tightness, Weakness, Toughness
Boost is a synonym for the word lift and starts with the letter B.
If you mean "jerk" as in the verb "to pull, move quickly, twitch," the word "vellicate" is a synonym.
Adequate is a synonym for Sufficient that begins with a.
Yes in terms of ethics, the opposite of virtue is weakness which i believe is also a synonym of Vice
"Scout out" is a synonym for "check out" that starts with 's' and has the 'ou' sound.
"Put On" Synonym: Dress Synonym: Don (to put on an item of clothing)
Adversary