General Synonyms:
* A menudo: This is a very common synonym for "frecuentemente" and means "often".
* Con frecuencia: This is another common synonym, meaning "frequently" or "often".
* Habitualmente: This means "habitually" or "regularly", implying a pattern of occurrence.
* Regularmente: This means "regularly" or "periodically", suggesting a set schedule or interval.
More Specific Synonyms:
* Con asiduidad: This means "assiduously" or "diligently", implying a high frequency and dedication.
* Con asiduidad: This means "constantly" or "continuously", implying an uninterrupted frequency.
* De manera frecuente: This is a formal way of saying "frequently", meaning "in a frequent manner".
* En muchas ocasiones: This means "on many occasions" or "frequently", emphasizing the number of times something happens.
The best synonym for "frecuentemente" will depend on the specific context and the desired nuance.