1
Days of the week
2
Months of the year
3
Colors
4
Money matters
5
Subjects
6
Studying at college/university
7
Marketing
8
Health
9
Nature
10
The Environment
11
The animal kingdom
12
Plants
13
Continents
14
Countries
15
Languages
16
Architecture and buildings
17
Homes
18
In the city
19
Workplaces
20
Rating and qualities
21
Touring
22
Politics
23
Verbs
24
Adjectives
25
Hobbies
26
Sports
27
Shapes
28
Measurement
29
Transportations
30
Vehicles
31
Weather
32
Places
33
Equipment and Tools
34
The arts and media
35
Materials
36
Works and jobs
37
Expressions and Time
38
Other
