Verbs
| Group 1 (Strong Verb) | Group 2 (Weak Verb) | Group 3 (Irregular Verb) |
Adjectives
| for Weather | for Taste | for People |
Adverbs
| Time | Frequency | Speed |
Question words
Nouns
| School subjects | Family | Body parts | Countries |
| Sports | People names | Places | School |
| Animals | Transport | Colours | Occupation |
| Food | Drink | Flowers | Technology |
| Vegetable | |||
| Nature | Days of the week | Home appliance | Stationery |
| Tops | Bottoms | Footware | Furniture |
| History | Music | ||
| J League teams |
Conjunctions
Particles
Numbers
Counters
| long objects | thin objects | people | |
| animals, pet |
