| Japanese | English | Introduced in | 
| Anata | You (singular) | Level 1 Lesson 02 page 1 | 
| Anata-tachi | You (plural) | Level 1 Lesson 02 page 1 | 
| Anmari | Not Very | Level 1 Lesson 02 page 1 | 
| Ano | That (over there) - adnoun | Level 1 Lesson 02 page 1 | 
| Are | That (over there) - pronoun | Level 1 Lesson 02 page 1 | 
| Aru | Have, to | Level 1 Lesson 02 page 1 | 
| Atsui | Thick (flat objects) | Level 1 Lesson 02 page 1 | 
| Chisai | Small | Level 1 Lesson 02 page 1 | 
| Dekiru | Able, to be | Level 1 Lesson 02 page 1 | 
| Desu | It is | Level 1 Lesson 02 page 1 | 
| Desu ne? | Isn't it? | Level 1 Lesson 02 page 1 | 
| Dono | Which - adnoun | Level 1 Lesson 02 page 1 | 
| Dore | Which - pronoun | Level 1 Lesson 02 page 1 | 
| Enpitsu | Pencil | Level 1 Lesson 02 page 1 | 
| Futatsu | Two (Japanese origin) | Level 1 Lesson 05 page 1 | 
| Futoi | Thick (long objects) | Level 1 Lesson 02 page 1 | 
| Genki | Energy/Vitality | Level 1 Lesson 02 page 1 | 
| Go | Five | Level 1 Lesson 05 page 1 | 
| Gojuu | Fifty | Level 1 Lesson 05 page 1 | 
| Hachi | Eight | Level 1 Lesson 05 page 1 | 
| Hachijuu | Eighty | Level 1 Lesson 05 page 1 | 
| Hai | Yes | Level 1 Lesson 02 page 1 | 
| Hajime (mashite) | Beginning/Nice to meet you | Level 1 Lesson 02 page 1 | 
| Hanasu | Speak, to | Level 1 Lesson 02 page 1 | 
| Hikui | Short | Level 1 Lesson 02 page 1 | 
| Hon | Book | Level 1 Lesson 02 page 1 | 
| Hosoi | Thin (long objects) | Level 1 Lesson 02 page 1 | 
| Hototsu | One (Japanese origin) | Level 1 Lesson 05 page 1 | 
| Hyaku | One Hundred | Level 1 Lesson 05 page 1 | 
| Ichi | One | Level 1 Lesson 05 page 1 | 
| Iie | No | Level 1 Lesson 02 page 1 | 
| Iku | Go, to | Level 1 Lesson 02 page 1 | 
| Itsutsu | Five (Japanese origin) | Level 1 Lesson 05 page 1 | 
| Juu | Ten | Level 1 Lesson 05 page 1 | 
| Juugo | Fifteen | Level 1 Lesson 05 page 1 | 
| Juuhachi | Eighteen | Level 1 Lesson 05 page 1 | 
| Juuichi | Eleven | Level 1 Lesson 05 page 1 | 
| Juukyuu | Nineteen | Level 1 Lesson 05 page 1 | 
| Juunana | Seventeen | Level 1 Lesson 05 page 1 | 
| Juuni | Twelve | Level 1 Lesson 05 page 1 | 
| Juuroku | Sixteen | Level 1 Lesson 05 page 1 | 
| Juusan | Thirteen | Level 1 Lesson 05 page 1 | 
| Juuyon | Fourteen | Level 1 Lesson 05 page 1 | 
| Kaku | Write, to | Level 1 Lesson 02 page 1 | 
| Kami | Paper | Level 1 Lesson 02 page 1 | 
| Kanojo | She | Level 1 Lesson 02 page 1 | 
| Kare | He | Level 1 Lesson 02 page 1 | 
| Karera-tachi | They | Level 1 Lesson 02 page 1 | 
| Kau | Buy, to | Level 1 Lesson 02 page 1 | 
| Kirei | Beautiful | Level 1 Lesson 02 page 1 | 
| Kokonotsu | Nine (Japanese origin) | Level 1 Lesson 05 page 1 | 
| Kombanwa | Good Evening | Level 1 Lesson 02 page 1 | 
| Konnichiwa | Good Afternoon | Level 1 Lesson 02 page 1 | 
| Kono | This - adnoun | Level 1 Lesson 02 page 1 | 
| Kore | This - pronoun | Level 1 Lesson 02 page 1 | 
| Kuru | Come, to | Level 1 Lesson 02 page 1 | 
| Kyuu | Nine | Level 1 Lesson 05 page 1 | 
| Kyuujuu | Ninty | Level 1 Lesson 05 page 1 | 
| Man | Ten Thousand | Level 1 Lesson 05 page 1 | 
| Mise | Store | Level 1 Lesson 02 page 1 | 
| Mittsu | Three (Japanese origin) | Level 1 Lesson 05 page 1 | 
| Muttsu | Six (Japanese origin) | Level 1 Lesson 05 page 1 | 
| Namae | Name | Level 1 Lesson 02 page 1 | 
| Nan | What | Level 1 Lesson 02 page 1 | 
| Nana | Seven | Level 1 Lesson 05 page 1 | 
| Nanajuu | Seventy | Level 1 Lesson 05 page 1 | 
| Nanatsu | Seven (Japanese origin) | Level 1 Lesson 05 page 1 | 
| Nani | What | Level 1 Lesson 02 page 1 | 
| Ni | Two | Level 1 Lesson 05 page 1 | 
| Nijuu | Twenty | Level 1 Lesson 05 page 1 | 
| Obaasan | Grandmother | Level 1 Lesson 01 page 3 | 
| Obasan | Aunt | Level 1 Lesson 01 page 3 | 
| Ohayou (gozaimasu) | Good Morning | Level 1 Lesson 02 page 1 | 
| Oki | Big | Level 1 Lesson 02 page 1 | 
| Omoshiroi | Interesting | Level 1 Lesson 04 page 1 | 
| Otouto | Younger Brother | Level 1 Lesson 01 page 3 | 
| Oyasumi (nasai) | Good Night | Level 1 Lesson 02 page 1 | 
| Pen | Pen | Level 1 Lesson 02 page 1 | 
| Roku | Six | Level 1 Lesson 05 page 1 | 
| Rokujuu | Sixty | Level 1 Lesson 05 page 1 | 
| San | Three | Level 1 Lesson 05 page 1 | 
| Sanjuu | Thirty | Level 1 Lesson 05 page 1 | 
| Sen | One Thousand | Level 1 Lesson 05 page 1 | 
| Shi | Four | Level 1 Lesson 05 page 1 | 
| Shichi | Seven | Level 1 Lesson 05 page 1 | 
| Shimbun | Newspaper | Level 1 Lesson 02 page 1 | 
| Sono | That - adnoun | Level 1 Lesson 02 page 1 | 
| Sore | That - pronoun | Level 1 Lesson 02 page 1 | 
| Sukiyaki | Food, type of | Level 1 Lesson 01 page 4 | 
| Suru | Do, to | Level 1 Lesson 02 page 1 | 
| Takai | Tall | Level 1 Lesson 02 page 1 | 
| Totemo | Very | Level 1 Lesson 02 page 1 | 
| Tou | Ten (Japanese origin) | Level 1 Lesson 05 page 1 | 
| Usui | Thin (flat objects) | Level 1 Lesson 02 page 1 | 
| Utsukushi | Handsome | Level 1 Lesson 02 page 1 | 
| Watakushi | I | Level 1 Lesson 02 page 1 | 
| Watashi | I | Level 1 Lesson 02 page 1 | 
| Watashi-tachi | We | Level 1 Lesson 02 page 1 | 
| Yattsu | Eight (Japanese origin) | Level 1 Lesson 05 page 1 | 
| Yen | Japanese Currency | Level 1 Lesson 05 page 1 | 
| Yomu | Read, to | Level 1 Lesson 02 page 1 | 
| Yon | Four | Level 1 Lesson 05 page 1 | 
| Yonjuu | Forty | Level 1 Lesson 05 page 1 | 
| Yottsu | Four (Japanese origin) | Level 1 Lesson 05 page 1 | 
| Zasshi | Magazine | Level 1 Lesson 01 page 3 |