All 16 words, sorted alphabetically. Group them into four categories of four.
The four category names, easiest to hardest. No words revealed yet.
Theme name plus one word from each category.
CHILL, GOOSEBUMP, SHIVER, and TINGLE are all physical sensations or reactions the body produces in response to strong emotions like excitement, fear, or awe.
JAYWALK, LITTER, LOITER, and SPEED are all minor illegal activities or misdemeanors that people commonly break in everyday life.
CLOTHESPIN, CROWBAR, SCISSORS, and SEESAW are all examples of first-class levers, where the fulcrum is positioned between the effort force and the load.
Each word follows a candy bar name: AERO+PLANE, DOVE+TAIL, HEATH+ERS, MARS+ALA — AERO, DOVE, HEATH, and MARS are all chocolate bars.