| Yes/No | hai / iie | |
| Thank you. | arigato | |
| Thanks. (Informal) | domo | |
| No, thank you. | iie, kekko desu | |
| You’re welcome. | dou itashi mashite | |
| I’m sorry. | gomen nasai | |
| Excuse me. | sumimasen | |
| I don’t know. | wakari masen | |
| Please. / Go ahead. (when offering) | dozo | |
| Please. (when asking) | onegai shimasu | |
| Could you say that again? | mou ichido itte kudasai | |
| Please speak slowly. | yukkuri itte kudasai | |
| OK. | daijobu desu |
| 0 | zero/rei | |
| 1 | ichi | |
| 2 | ni | |
| 3 | san | |
| 4 | yon/shi | |
| 5 | go | |
| 6 | roku | |
| 7 | nana/shichi | |
| 8 | hachi | |
| 9 | kyū/ku | |
| 10 | jū | |
| 11 | jūichi | |
| 12 | jūni | |
| 13 | jūsan | |
| 14 | jūyon/jūshi | |
| 20 | nijū | |
| 21 | nijūichi | |
| 30 | sanjū | |
| 100 | hyaku | |
| 200 | nihyaku | |
| 1000 | sen | |
| 5000 | gosen | |
| 10,000 | ichiman | |
| 20,000 | niman | |
| 100,000 | jūman | |
| one million | hyakuman |
| What? | nani? | |
| When? | itsu? | |
| Where? | doko? | |
| Who? | dare? |
| What time is it? | Ima nan-ji des[u] ka? | |
| today | kyō | |
| tomorrow | ash[i]ta | |
| yesterday | kinō | |
| morning/afternoon | asa/hiru | |
| Monday | getsuyōbi | |
| Tuesday | kayōbi | |
| Wednesday | suiyōbi | |
| Thursday | mokuyōbi | |
| Friday | kinyōbi | |
| Saturday | doyōbi | |
| Sunday | nichiyōbi |