how to say “a smell” in Hebrew
The ריח can be pleasant:
You can’t argue about (personal) taste and smell.
Or it could be nasty:
There’s a smell here of rotten fish.
And to smell? It depends on what you mean. If it’s to smell as in to smell the roses, the word is the active-causative הפעיל verb להריח . But if the object itself smells because it’s… rotten fish, the word is להסריח , also a הפעיל verb.