Difference between Virusoid and Viroid

What is the difference between Virusoid and Viroid?

Virusoid as a noun is a circular single-stranded rna, similar but not identical to a viroid, dependent on plant viruses for replication and encapsidation. while Viroid as a noun is plant pathogens, of the order viroidales, that consist of just a short section of rna but without the protein coat typical of viruses

We hope you now know whether to use Virusoid or Viroid in your sentence.