For a boy, you would say "allemand" and for a girl, you would say "allemande" in French.
Junge.
English: "the boy" means in German: "der Junge" or "der Knabe".
"Junge" would be the correct way to say "boy" auf Deutsch.
starker Junge
"Sie hatte einen Jungen"
Er ist ein Junge.
Good boy translates as Guter Junge
The word for "boy" is יינגל (yingl), like German Jungewith a diminutive suffix.
For "nerd" the German language has a lot of designations:"Streber" if it's a boy, and "Streberin" if it's a girl,or"Außenseiter" for a boy, "Außenseiterin" for a girl.Also the term "Langweiler" or "Langweilerin" is appropriate
The word for boy in German is (der) Junge.
guter Junge und gutes Mädchen