| Part of speech | common noun |
|---|---|
| Hyphenation | knab·o |
| Singular | Plural | |
|---|---|---|
| Nominative | knabo | knaboj |
| Accusative | knabon | knabojn |
| Afrikaans | seun |
|---|---|
| Albanian | djalë |
| Catalan | noi; vailet; xicot |
| Czech | hoch; chlapec |
| Danish | dreng |
| Dutch | jongen; knaap; knul; boy; joch |
| English | boy; lad |
| English (Old English) | cnapa; cniht |
| Faeroese | drongur |
| Finnish | poika |
| French | garçon; gosse |
| German | Junge; Knabe; Bursche |
| Greek | αγόρι; παιδί |
| Hawaiian | keikikāne; poi |
| Hungarian | fiú |
| Icelandic | drengur; strákur; piltur |
| Italian | ragazzo |
| Jamaican Patois | bwai |
| Kabylian | aqcic |
| Latin | puer |
| Norwegian | gutt |
| Papiamento | chabalito; chabalitu; mucha hòmber |
| Polish | chłopiec |
| Portuguese | menino; rapaz |
| Romanian | băiat |
| Saterland Frisian | Wänt |
| Scottish Gaelic | balach; gille |
| Spanish | chico; muchacho; infante |
| Sranan | boy |
| Swedish | gosse; pilt; pojke; pojk |
| Thai | เด็กผู้ชาย |
| Turkish | çoçuk; oğlan |
| Welsh | bachgen; hogyn |
| West Frisian | boai; jonge |
| Yiddish | ײנגל |