The word "mangels" primarily refers to a type of vegetable, also known as mangel-wurzels or simply "mangolds". However, there are several synonyms for this word that can be quite useful in expanding one's vocabulary. For example, one could use the term "fodder beets" to refer to this type of vegetable, particularly in the context of animal feed. Another possible synonym is "stock beets", which emphasizes the role of mangels as a staple crop for livestock farmers. Alternatively, one could use the term "sugar beets" to refer to a specific variety of mangel that is used for sugar production. Overall, there are several synonyms for mangels that can help to add variety and precision to one's writing or speech.