I don't think it makes sense in general.
As synonyms are usually about data not structure. Labels are about
structure / roles.
If you REALLY want to do that (be warned):
How many synonyms do you have in total. Usually nodes should have just a
few (< 5) labels and the total number of labels
I have a large graph. Each node has attributes like name and a list of
synonyms. Synonyms need to be indexed as find node by synonym is required.
Can we store them as node label? Synonyms are variables and can be added or
removed from a specific node. Is there any option to do it by cypher. I