strep vs streptococcus

strep and streptococcus both are nouns.

Word	Noun	Adjective	Verb	Adverb
strep	Yes	Yes	No	No
streptococcus	Yes	No	No	No

As nouns, strep and streptococcus are synonyms defined as:

strep and streptococcus: spherical Gram-positive bacteria occurring in pairs or chains; cause e.g. scarlet fever and tonsillitis

Other synonyms of strep include streptococci.

strep (noun)	streptococcus (noun)
spherical Gram-positive bacteria occurring in pairs or chains; cause e.g. scarlet fever and tonsillitis	spherical Gram-positive bacteria occurring in pairs or chains; cause e.g. scarlet fever and tonsillitis

strep (adjective)	streptococcus (adjective)
of or relating to or caused by streptococci