Week 7

1. commune
2. commuter
3. competition
4. complexion
5. complication
6. concern
7. confer
8. congenial
9. consider
10. constitution

 Challenge Words

1. contradict
2. continual
3. consensus
4. conjunction
5. congruence
6. conglomerate
7. complaint
8. compilation
9. commutative
10. commemorate

1. astray
2. astrology
3. astronaut
4. astronomy
5. geographer
6. geographer
7. geometry
8. terrace
9. terrain
10. terrarium

Challenge Words

1. asterisk
2. asteroid belt
3. astronomer
4. astronomical
5. geochemistry
6. geode
7. geothermal
8. terra firma
9. terra-cotta
10. terrestrial

1. advertise
2. advise
3. capitalize
4. centralize
5. exercise
6. idolize
7. modernize
8. specialize
9. televise
10. visualize

Challenge Words

1. apologize
2. characterize
3. compromise
4. disguise
5. harmonize
6. hospitalize
7. immunize
8. merchandise
9. monopolize
10. naturalize

Week 10

1. afterthought

2. teammate

3. air conditioner

4. shortstop

5. dead end

6. root beer

7. doughnut

8. roller coaster

9. hay fever

10. roommate

 Challenge Words

1. bookmobile

2. great-grandmother

3. ninety-nine

4. public school

5. self-addressed

6. skyscraper

7. three-eighths

8. thunderstorm

9. Venn diagram

10. weather-beaten

Week 11

1. inverse
2. intervene
3. interference
4. individual
5. incorporate
6. indecent
7. incapable
8. impolite
9. impersonate
10. immaturity

 Challenge Words

1. immigrate
2. immobile
3. impartial
4. impatient
5. impel
6. impertinent
7. incongruence
8. inequality
9. inoperable
10. inhabitant

1. bombard
2. cleanse
3. equation
4. humane
5. inherit
6. majority
7. muscular
8. natural
9. poetic
10. unity

Challenge Words

1. thermostat
2. suburban
3. resignation
4. physique
5. hindrance
6. hasten
7. harmonious
8. factual
9. criticize
10. aerial