This is the 7535th most frequent Spanish word.
jam
The Spanish word "jam" is not a word in Spanish; you may mean "mermelada," which translates to "jam" in English, a fruit spread.
The word 'jam' is used in food-related context to mean 'mermelada', a sweet spread typically made from fruit.
Hoy desayuné pan con mermelada.
Today I had bread with jam for breakfast.
The word 'jam' is used to describe a situation where vehicles are congested, referred to as an 'atasco' in Spanish.
Estuve atrapado en un atasco por dos horas.
I was stuck in a traffic jam for two hours.
Here 'jam' refers to an obstruction or delay in a process, expressed as 'atasco' in Spanish.