S: (v) interact (act together or towards others or with others) "He should interact more with his colleagues"
S: (v) act, move (perform an action, or work out or perform (an action)) "think before you act"; "We must move quickly"; "The governor should act on the new energy bill"; "The nanny acted quickly by grabbing the toddler and covering him with a wet towel"
W: (n) comment [Related to: comment] (a written explanation or criticism or illustration that is added to a book or other textual material) "he wrote an extended comment on the proposal"