4
General
- lucky clover, Legs on a table, legs on a chair, Greek elements, cardinal directions, suits of playing cards, years of an olympiad, Seasons, April
Sport
- Power Forward, Homerun, balls per walk, 2nd Base Position, quarters in basketball, # of downs in football
Math
- Sides on a Quad/square/Rectangle, Vertices on a Quad/square/Rectangle, square root of 16, # of quadrants
Science
- berilium, mars, # of rocky planets, chambers of human heart, # of insect wings, Cardinal directions
Social Studies/History
- unreasonable searches, James Madison, term of president, USA Independence Day
Literature/Music
- beats per measure, strings on a violin/viola/cello/mandolin, calling birds, Houses of Harry Potter, Quatrain
Language
- quatro, Vier, quatre, четыре [chee-TI-rye], net
Religion