| jack | macaco |
| Jack Black | Jack Black |
| Jack Brabham | Jack Brabham |
| Jack Bruce | Jack Bruce |
| Jack Butler Yeats | Jack Yeats |
| Jack Coleman | Jack Coleman |
| Jack daw | Gralha-de-nuca-cinzenta |
| Jack Frost consequenceence | uma personificação do inverno |
| Jack Kerouac | Jack Kerouac |
| Jack Kevorkian | Jack Kevorkian |
| Jack Kilby | Jack Kilby |
| Jack Kirby | Jack Kirby |
| Jack Lang | Jack Lang |
| Jack Lemmon | Jack Lemmon |
| Jack London | Jack London |
| Jack Lynch | John Mary Lynch |
| Jack Nicholson | Jack Nicholson |
| jack of all trades | homem dos sete instrumentos |
| Jack Palance | Jack Palance |
| Jack Ruby | Jack Ruby |
| Jack Russell | John Russell |
| Jack Shephard | Jack Shephard |
| Jack Sparrow | Capitão Jack Sparrow |
| Jack Steinberger | Jack Steinberger |
| Jack Straw | John Whitaker Straw |
| Jack Swigert | John Swigert |
| Jack the Ripper | Jack o Estripador |
| jack up | levantar com o macaco |
| Jack Vance | Jack Vance |
| Jack White | Jack White |
| Jack Williamson | Jack Williamson |
| jack-in-the-box | caixa de surpresa |
| Jack-Jack Attack | Jack-Jack Attack |
| jack-o'-lanternfire | fogo-fátuoifício |
| jackal | chacal |
| jackale | chacala |
| Jackalope | Jackalope |
| jackass | cabeça-oca |
| jackass hare | coelho americano |
| jackboots | bota de soldado |
| jackdaw | gralha-ladra |
| jackdawerb | gralha-bico |
| jackepe | manivela de espeto |
| jacket | capa |
| jacket to lie | jaqueta |
| jackete | coroa (dentária) |
| Jackie Brown | Jackie Brown |
| Jackie Chan | Jackie Chan |
| Jackie Chan Adventures | Jackie Chan Adventures |
| Jackie Coogan | Jackie Coogan |
| Jackie Stewart | Jackie Stewart |
| jackknife | navalha |
| jacknalper | pessoa qualquer |
| jackonih | macaco (autom.) |
| jackple | bandeira de proa |
| jackpot | bolo de apostas |
| jackpotardter | bolada escolar |
| jackpots | grande prêmioade |
| jackrabbit | coelho americano |
| Jackson | Jackson |
| Jackson County | Condado de Jackson |
| Jackson Guitars | Jackson Guitars |
| Jackson Pollock | Jackson Pollock |
| Jacksonville | Jacksonville |
| Jacksonville Jaguars | Jacksonville Jaguars |
| Jacksonville Municipal Stadium | Alltell Stadium |
| Jacky Ickx | Jacky Ickx |
| Jaco | Jaco |
| Jaco Pastorius | Jaco Pastorius |
| Jacob | Jacó |
| Jacob Abbott | Jacob Abbott |
| Jacob Bernoulli | Jakob Bernoulli |
| Jacob Burckhardt | Jacob Burckhardt |
| Jacob Fugger | Jacob Fugger |
| Jacob Georg Agardh | Jakob Georg Agardh |
| Jacob Grimm | Jacob Grimm |
| Jacob Hübner | Jakob Hübner |
| Jacob Jordaens | Jacob Jordaens |
| Jacob Kettler | Jacó |
| Jacob Le Maire | Jacob Le Maire |
| Jacob Theodor Klein | Jakob Theodor Klein |
| Jacob Two-Two | Jacó Dois-Dois |
| Jacobean | jacobino |
| Jacobin | Jacobinismo |
| Jacobin Club | Jacobinismo |
| Jacobinia | Jacobinia |
| Jacobinism | Jacobinismo |
