smells good/smells bad

smell (v.) → santi, gen sant
smell (n.) → sant, odè

smells good → santi bon, gen bon sant, gen bon odè
smells bad →  santi, santi move, gen move sant, gen move odè

The shoe smells bad. (Haitians may say this many different ways)
Soulye a santi. (The shoe smells)
Soulye a santi move. (The shoe smells bad)
Soulye a gen move sant. (The shoe has a bad smell.)
or 
Soulye a gen move odè. (The shoe has a bad odor.)

This leaf smells good.
Fèy sa santi bon.
Fèy sa gen bon sant.
Fèy sa gen bon odè.

I smell something. (I detect an odor)
Mwen pran yon sant.

I smell cake.
Mwen pran sant gato.

We smell food.
Nou pran sant manje.

It smells like ...
Li gen sant...

It smells like burnt food.
Li gen sant manje boule.

Your perfume smells like fruits.
Pafen ou gen sant fwi.

It smells like a zoo in here!
La a gen sant pak bèt!
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Santi is also the Haitian Creole word for to feel

Mwen santi m malad.
I feel sick.

M santi m fèb.
I feel weak.

Kijan ou santi w?
How do you feel?

Poukisa w'ap swe?  Ou santi w cho?
Why are you sweating?  Do you feel hot?

This feels good. 
Sa bon.
(can't say: "Sa santi bon." because that would mean "This smells good.")