das Parfum
perfume
A pleasant-smelling liquid, usually alcohol-based, that is applied to the skin or clothing to spread a pleasant scent.
Zum Geburtstag wünsche ich mir ein neues Parfum.
For my birthday, I would like a new perfume.

perfume
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perfume
A pleasant-smelling liquid, usually alcohol-based, that is applied to the skin or clothing to spread a pleasant scent.
Zum Geburtstag wünsche ich mir ein neues Parfum.
For my birthday, I would like a new perfume.

'Parfum' (perfume) is a word from French. This explains the spelling, which is unusual for German, and the pronunciation modeled on French.
Sie liebt französische Parfums.
She loves French perfumes.
When referring to the liquid, the typical verbs are 'Parfum auftragen' (to apply perfume), 'Parfum benutzen' (to use perfume), or also 'ein Parfum tragen' (to wear a perfume).
Sie trägt heute ein sehr angenehmes Parfum.
She is wearing a very pleasant perfume today.
When 'Parfum' (fragrance) describes the scent of something, it often appears with the genitive or the preposition 'von' (of/from). In this case, it does not mean the liquid in a bottle, but the smell itself.
Ich liebe das Parfum von frisch gebackenem Brot.
I love the fragrance of freshly baked bread.
smell
'der Geruch' and 'das Parfum' both have to do with smelling. 'Geruch' is the general word for anything you perceive with your nose; it can be pleasant or unpleasant. 'Parfum' is usually a pleasant-smelling liquid that you put on your skin or clothing. It can also mean the particular pleasant fragrance of something. Learners may confuse the words because perfume also has a smell. But not every smell is a perfume: smoke, cheese, or garbage have a 'Geruch', but not a 'Parfum' in the normal sense.

Vor der Feier trägt Anna ein wenig Parfum auf.
Before the party, Anna puts on a little perfume.
In der Küche liegt ein starker Geruch nach gebratenen Zwiebeln.
There is a strong smell of fried onions in the kitchen.