In Russian, "Любимая" is how to say/spell sweetheart.
В is at in Russian.
да in the Russian language, or "da" is how you spell it in English
Rabbit in Russian is "кролик" (pronounced kroh-LEEK).
'And' in Russian is spelled 'u'.
Tranquility in Russian is "спокойствие."
Винтовка is rifle in Russian.
Папа is dad in Russian.
Henry in Russian is spelled as "Генри" (pronounced as Gen-ree).
Кэти is Kathy in Russian.
In Russian, "no" is spelled "нет" (pronounced as "nyet").
That is the correct spelling (capitalized) of the word Russian (Русско in Russian).