What are the masculine and feminine nouns in German?

In dictionaries, parts of speech, second case and plural are usually listed after nouns. If the second case and plural form of a masculine noun are both "-(e)n", then it can be concluded that this noun is a masculine weak noun. For example:

Elefant m，-en，-en

Common nouns with weak positive changes are:

A masculine noun ending in -e

Affe Monkey Porter Messenger Bube Rogue Bulle Bull Bursche Young China China Erbe Heir Expert Franzose Frenchman Gef? Hrte partner Gatte husband Genosse comrade Geselle young man Hase Rabbit Heide Paganhhirte shepherd Insase (peer) passenger Jude Jew Ge Jun boy Knabe boy Kollege colleague Kommilitone University classmate Kunde customer E Lai laity Lotse pilot L? Our lion Matrose sailor Nachkomme descendant Neffe nephew Ochse bull Pate godfather Rabe crow Riese giant Russe Russian Skave slave Zeuge witness.

A masculine noun ending in -and, -ant, -at, -ent, -graf, -ist, -nom, -oge, -soph.

Pardoned graduate student aspiring graduate student automatic device Biobiology Bü rokrat bureaucratic democrat demonstrator diplomat Dirigent instructs doctor and doctoral student Elefant elephant Fabrikant factory owner Fotograf photographer Ge. Ologe geologist Lieferant supplier idealist journalist Kandidat candidate Kapitalist capitalist Klient party Kommunist*** member Komponist composer Musikant musician national Nazi (national socialist) optimist? Konom economist p? Dag educator patient patient pessimist pessimist police philosopher Praktikant Intern Pr? Side President produz Producer Realist Realist Soldat Soldat Soldier Sozialist Sociologist Spezialist Expert Student College Student Terrorist Travel Utopia (Utopia)

Others:

Architekt architect Paul Farmer B? R bear Fürst Marquis Graf Earl held the hero Mr. Kamerad classmate Katholik Catholic Mensch monarch Nachbar neighbor Narr fool pilot planet Prince Prinz rebelled against the rebel satellite.