| 郎 | ろう | nth son; lang; official title in ancient China; man | |
| 太郎 | たろう | first son | |
| 野郎 | やろう | guy; fellow; chap; buddy | |
| 三郎 | さぶろう | third son; Occella iburia (species of poacher) | |
| 次郎 | じろう | second son | |
| 女郎 | じょろう | prostitute (esp. Edo period) | |
| 二郎 | じろう | second son | |
| 一太郎 | いちたろう | Ichitarō; Ichitaro (word processing package) | |
| 新郎 | しんろう | bridegroom | |
| 女郎花 | おみなえし | golden lace (Patrinia scabiosifolia); scabious patrinia; yellow patrinia | |
| 郎党 | ろうどう | vassals; retainers; followers | n2 |
| 下郎 | げろう | servant; valet; menial | |
| 郎女 | いらつめ | lass | |
| 桃太郎 | ももたろう | Momotarō (Japanese folk tale and popular hero) | |
| 金太郎 | きんたろう | Kintarō; Golden Boy; folklore boy hero and defeater of demons; usu. depicted with a bob cut, carrying an axe, and wearing a red apron; Kintarō doll | |
| 郎等 | ろうどう | vassals; retainers; followers | n2 |
| 和郎 | わろ | boy; (male) servant; bastard; bitch | |
| 番太郎 | ばんたろう | watchman | |
| 悪太郎 | あくたろう | stupid brat; mischievous kid; troublemaker | |
| 与太郎 | よたろう | slow witted fellow; counter-hero; liar; lie | |
| 一族郎党 | いちぞくろうとう | one's family and followers; one's whole clan | |
| 弥次郎兵衛 | やじろべえ | balancing toy | |
| 外郎 | ういろう | sweet rice jelly; Edo-period herbal medicine used as an antitussive and a breath freshener | |
| 源五郎 | げんごろう | diving beetle; Japanese predacious diving beetle (Cybister japonicus) | |
| 藤四郎 | とうしろ | amateur; novice; layman | |
| 郎子 | いらつこ | lad | |
| 女郎買い | じょろうかい | buying the services of a prostitute; whoring | |
| 新郎新婦 | しんろうしんぷ | bride and groom | |
| 遊冶郎 | ゆうやろう | libertine; man of pleasure | |
| 女郎蜘蛛 | じょろうぐも | jorō spider (Trichonephila clavata); spider yōkai | |
| 雪女郎 | ゆきじょろう | snow woman | |
| 河太郎 | かわたろう | kappa (mythical water-dwelling creature) | |
| 風太郎 | ぷうたろう | unemployed person; vagabond; floater; vagrant | |
| 女郎屋 | じょろうや | brothel | |
| 孫太郎虫 | まごたろうむし | hellgrammite (larva of dobsonfly species Protohermes grandis) | |
| 夜郎自大 | やろうじだい | throwing one's weight around without knowing one's limitations; Yelang thinks too highly of itself | |
| 太郎冠者 | たろうかじゃ | Tarōkaja (common name for a manservant) | |
| 牛太郎 | ぎゅうたろう | brothel tout; pimp | |
| 馬鹿野郎 | ばかやろう | goddamn idiot; moron; nitwit | |
| 女郎花月 | おみなえしづき | seventh lunar month | |
| 一姫二太郎 | いちひめにたろう | it's good to have a girl first and then a boy; one girl and two boys are ideal | |
| 源五郎鮒 | げんごろうぶな | Japanese crucian carp (Carassius cuvieri); white crucian carp | |
| 金太郎飴 | きんたろうあめ | Kintarō candy; Kintarō-ame; hard stick-shaped candy made so that the face of folk hero Kintarō appears when it is sliced; something (or someone) lacking originality | |
| 太郎月 | たろうづき | first lunar month | |
| 女郎買 | じょろうかい | buying the services of a prostitute; whoring | |
| 浦島太郎 | うらしまたろう | Urashima Tarō; fairy-tale fisherman who, after visiting the underwater Palace of the Dragon King, returns centuries later | |
| 野郎ども | やろうども | bastards; guys; lads | |
| 金太郎あめ | きんたろうあめ | Kintarō candy; Kintarō-ame; hard stick-shaped candy made so that the face of folk hero Kintarō appears when it is sliced; something (or someone) lacking originality | |
| 局女郎 | つぼねじょろう | prostitute of the lowest class (Edo period) | |
| 川太郎 | かわたろう | kappa (mythical water-dwelling creature) | |
| 野郎共 | やろうども | bastards; guys; lads | |
| バカ野郎 | ばかやろう | goddamn idiot; moron; nitwit | |
| 我郎 | わろ | boy; (male) servant; bastard; bitch | |
| 河郎 | かはく | kappa (mythical water-dwelling creature); river god | |
| 郎君 | ろうくん | young man; boy; son (of one's master, employer, etc.); husband | |
| 次郎柿 | じろうがき | jiro (variety of sweet Japanese persimmon) | |
| 白水郎 | はくすいろう | fisherman | |
| 端女郎 | はしじょろう | low class licensed prostitute (Edo period) | |
| 籐四郎 | とうしろ | amateur; novice; layman | |
| 糞野郎 | くそやろう | son of a bitch; piece of shit | |
| 紺四郎 | こんしろう | consul | |
| 英辞郎 | えいじろう | Eijiro (digital English-Japanese dictionary) | |
| 霊台郎 | れいだいろう | astronomical expert | |
| 鯥五郎 | むつごろう | mudskipper (Boleophthalmus pectinirostris); goggle-eyed goby | |
| くそ野郎 | くそやろう | son of a bitch; piece of shit | |
| この野郎 | このやろう | you bastard!; you son of a bitch! | |
| ぷー太郎 | ぷうたろう | unemployed person; vagabond; floater; vagrant | |
| ぽん太郎 | ぽんたろう | idiot; moron | |
| むつ五郎 | むつごろう | mudskipper (Boleophthalmus pectinirostris); goggle-eyed goby | |
| クソ野郎 | くそやろう | son of a bitch; piece of shit | |
| ゲス野郎 | ゲスやろう | sleazebag; asshole; shithead; lowlife | |
| プー太郎 | ぷうたろう | unemployed person; vagabond; floater; vagrant | |
| 一族郎等 | いちぞくろうとう | one's family and followers; one's whole clan | |
| 万次郎鉱 | まんじろうこう | manjiroite | |
| 下種野郎 | ゲスやろう | sleazebag; asshole; shithead; lowlife | |
| 下衆野郎 | ゲスやろう | sleazebag; asshole; shithead; lowlife | |
| 下郎言葉 | げろうことば | low-class language; vulgar words | |
| 似五郎鮒 | にごろぶな | Carassius auratus grandoculis (subspecies of goldfish) | |
| 冒険野郎 | ぼうけんやろう | adventure lover | |
| 南瓜野郎 | かぼちゃやろう | man with an unattractive, unusually shaped face | |
| 又四郎尺 | またしろうじゃく | Matashirō shaku (approx. 30.26 cm) | |
| 埋茶女郎 | うめちゃじょろう | low class prostitute in Yoshiwara (Edo period) | |
| 天一太郎 | てんいちたろう | day of Ten'ichijin's first ascension to heaven in a year (the 30th day of the first sexagenary cycle of the year) | |
| 妓夫太郎 | ぎゅうたろう | brothel tout; pimp | |
| 家子郎党 | いえのころうどう | followers; adherents | |
| 散茶女郎 | さんちゃじょろう | prostitute from the Yoshiwara district of a fairly high rank (Edo period) | |
| 格子女郎 | こうしじょろう | prostitute of the second rank (below the tayū; Edo period) | |
| 梅茶女郎 | うめちゃじょろう | low class prostitute in Yoshiwara (Edo period) | |
| 此の野郎 | このやろう | you bastard!; you son of a bitch! | |
| 萬次郎鉱 | まんじろうこう | manjiroite | |
| 藤五郎鰯 | とうごろういわし | flathead silverside (Hypoatherina valenciennei) | |
| 見世女郎 | みせじょろう | low-class prostitute who was kept in a sort of cage at the front of the establishment (Edo period) | |
| 頭五郎鰯 | とうごろういわし | flathead silverside (Hypoatherina valenciennei) | |
| 鬼太郎袋 | きたろうぶくろ | sickness back; motion sickness bag | |
| キムチ野郎 | キムチやろう | Korean; kimchi bastard | |
| 埋め茶女郎 | うめちゃじょろう | low class prostitute in Yoshiwara (Edo period) | |
| 大女郎蜘蛛 | おおじょろうぐも | golden web spider (Nephila pilipes) | |
| 家の子郎党 | いえのころうどう | followers; adherents | |
| 金太郎アメ | きんたろうあめ | Kintarō candy; Kintarō-ame; hard stick-shaped candy made so that the face of folk hero Kintarō appears when it is sliced; something (or someone) lacking originality | |
| かぼちゃ野郎 | かぼちゃやろう | man with an unattractive, unusually shaped face | |