Yes @LPH.

Other examples:

• "la lettre a" --- "le a"
• "Antoine est français" --- "Antoine a la nationalité française"
• "le russe" --- "la langue russe"

Alphabet letters are masculine, but "lettre" is feminine.
Nationality follows the gender of Antoine, but "nationalité" is feminine.
The language name is masculine, but "langue" is feminine.

Yes @LPH.

Other examples:

• "la lettre a" --- "le a"
• "Antoine est français" --- "Antoine a la nationalité française"
• "le russe" --- "la langue russe"

Alphabet letters are masculine, but the noun "lettre" is feminine.
Nationality as an adjective or subject complement follows the gender of Antoine, but the noun "nationalité" is feminine.
The language name is a masculine noun, but "langue" is feminine.

Yes @LPH.

Other examples:

• "la lettre a" --- "le a"
• "Antoine est français" --- "Antoine a nationalité française"
• "le russe" --- "la langue russe"

Alphabet letters are masculine, but "lettre" is feminine.
Nationality follows the gender of Antoine, but "nationalité" is feminine.
The language name is masculine, but "langue" is feminine.

Yes @LPH.

Other examples:

• "la lettre a" --- "le a"
• "Antoine est français" --- "Antoine a la nationalité française"
• "le russe" --- "la langue russe"

Alphabet letters are masculine, but "lettre" is feminine.
Nationality follows the gender of Antoine, but "nationalité" is feminine.
The language name is masculine, but "langue" is feminine.