viricide vs virucide

viricide and virucide both are nouns.

Word	Noun	Adjective	Verb	Adverb
viricide	Yes	No	No	No
virucide	Yes	No	No	No

As nouns, viricide and virucide are synonyms defined as:

viricide and virucide: an agent (physical or chemical) that inactivates or destroys viruses

viricide (noun)	virucide (noun)
an agent (physical or chemical) that inactivates or destroys viruses	an agent (physical or chemical) that inactivates or destroys viruses