streptococci vs strep

streptococci and strep both are nouns.

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

As nouns, streptococci and strep are synonyms defined as:

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

Other synonyms of streptococci include streptococcus.

streptococci (noun)	strep (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

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