Question

sort words according to the meanings of their prefixes or suffixes. actress countess goddess undo unlock seamstress suffix means female prefix means the opposite or reverse

Explanation:

The suffixes -ess and -ess in actress, countess, goddess, seamstress denote female. The prefix un - in undo and unlock means the opposite or reverse.

Answer:

Suffix means female: actress, countess, goddess, seamstress
Prefix means the opposite or reverse: undo, unlock