A word meaning aroma with nine letters is fragrance. Other words that also mean aroma are scent, and odor. A fragrance, or aroma, is something you can smell.
A pleasant scent
It is mix of Fragrance and Aroma
bel ange means beautiful angel in French.
Fragrance, aroma.
good
=means harmony=
'the beautiful angel'
Good Times
Adieu mon bel amour means "Farewell, my beautiful love".
If you mean scents then a word begining with the letter a is aroma.
AROMA