Passion, Serenity, Engulfment (when used with a slightly less powerful word; i.e Engulfed with love, etc)
a 12 letter word adjective that ends with ry that's expresses an emotion
An interjection is a word or phrase that expresses emotion or a feeling, such as "Wow!" or "Ouch!". Interjections are often used in conversation to convey a speaker's emotions or reactions.
Emotion
feeling
An Interjection.
emotion
"Zip-a-Dee-Doo-Dah" from Song of the South
Yes, the word apathy is an abstract noun, a word for an emotion, a feeling.
The word emotion is a noun that means a mental state. Some synonyms for emotion are responsiveness, gut reaction, and affect.
feeling, passion, sentiment, affect
connotation
Feeling.