In this article, we will share a list of Japanese words that are or may sound childish when spoken by adults. Generally, children learn these variations, simplifications, or attempts to say a certain word.
The fact that a word is considered childish does not mean that adults cannot say them. In fact, many of the words in this article are also pronounced by adults, they just give the impression of being a bit childish.
Other words that will not be listed and generally are part of a children’s vocabulary are onomatopoeias. I hope you enjoy the list of words in this article. We appreciate comments and shares. xD
List of childish words in Japanese
Please do not be alarmed by the huge number of childish ways to say genitals. I am not to blame if the dictionary pointed out such words as popular. Yes, the article shares a list of words ordered by popularity.
Responsive Table: Scroll the table sideways with your finger >>
| Japanese | Romaji | Meaning |
| うんこ | unko | poop, feces |
| うんち | unchi | poop, caca |
| おしっこ | oshikko | penis |
| おちんちん | ochinchin | penis |
| おっぱい | oppai | breasts, boobs, mammaries |
| お漏らし | omorashi | wetting oneself, peeing in pants |
| ちんこ | chinko | penis |
| ちんちん | chinchin | penis |
| チンポ | chinpo | penis |
| とと | toto | fishie, little bird, chick |
| 糞 | Baba | pooh-pooh, poop, something dirty |
| ポコチン | pokochin | penis |
| お日様 | ohisama | the sun |
| 這い這い | haihai | crawling |
| 抱っこ | dakko | hug, carrying in arms |
| 頬っぺ | hoppe | cheek |
| 旨々 | umauma | successfully, well |
| ポッケ | pokke | |
| 楽チン | rakuchin | easy-peasy, easy, simple |
| ねんね | nenne | going to sleep, sleeping |
| あんよ | anyo | foot |
| 飯 | manma | cooked rice |
| ばっちい | bacchii | dirty |
| お手手 | otete | hands |
| たんま | tanma | interrupting a game, time limit |
| お目目 | omeme | eyes |
| 御頭 | otsumu | head |
| 御魚 | ototo | fish |
| 御睡 | onemu | sleeping, sleepy |
| がんば | ganba | go ahead, keep going |
| お座り | osuwari | sit down |
| 半分こ | hanbunko | dividing equally between two people |
| 脱ぎ脱ぎ | nuginugi | undressing |
| 母ちゃん | kaachan | mommy |
| ぱいぱい | paipai | breasts, female breasts |
| しっこ | shikko | pee, number one |
| 父ちゃん | touchan | daddy |
| 尿尿 | shiishii | urine |
| ワン子 | wanko | dog, puppy, woof |
| おぶう | obuu | hot water |
| ごろごろ様 | gorogorosama | thunder |
| 英語人 | eigojin | English-speaking person, foreigner |
| べべ | bebe | clothes, female genitals, vagina, calf |
| おべべ | obebe | clothes |
| おんも | onmo | outside |
| ワンちゃん | wanchan | puppy, dog, woof |
| ばあば | baaba | grandma |
| じいじ | jiiji | grandpa |
| ミッキバリア | mikkibaria | protective shield, immunity |
| ぎったんばっこん | gittanbakkon | seesaw |
| お父ちゃん | otouchan | daddy |
| 撫で撫で | nadenade | stroking, petting |
| 御饅 | oman | manjū |
| 鳩ぽっぽ | hatopoppo | dove |
| ばばっちい | babacchii | dirty, filthy |
| 順番こ | junbanko | alternating, taking turns |
| たまたま | tamatama | testicles |
| 高い高い | takaitakai | lifting (a child) very high |
| おみや | omiya | souvenir gift |
| きれいきれい | kireikirei | cleaning, washing |
| ちいちい | chiichii | insect, louse, flea |
| きんとと | kintoto | little fish |
| てんてん | tenten | hand towel |
| くっく | kukku | shoes |
| のの | nono | God, Buddha, sun, moon |
| くちゃい | kuchai | smelly, stinky |
| 拭き拭き | fukifuki | cleaning, drying |
| お爺ちゃま | ojiichama | grandpa |
| お祖母ちゃま | obaachama | grandma, granny |
| かんかん | kankan | hair |
| 銭 | zeze | money |
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