In English there are no masculine or feminine forms. English uses gender specific nouns for male or female.
The gender specific noun for a female donkey is "jenny".
The gender specific noun for a male donkey is "jack."
that is the masculine form
A male donkey is called a jack and a female donkey is called a jenny.
Gerald is the masculine form. The feminine form is Geraldine.
Dennis is the masculine form of Denise.
The masculine form for "tendre" in French is "tendre" as well. The word does not change in form based on gender.
The masculine form of master is "master." Both masculine and feminine forms of this term are the same.
The masculine plural form of malo is malos
The masculine form of "lyubimaya" is "lyubimyy."
It is spelled Führer, and it is the masculine form of "the leader"
Marquis is the masculine form of Marchioness
The masculine form of "blonde" in French is "blond."
"Ami" is the masculine form for "friend" in French. The feminine form is "amie," pronounced exactly the same.