streptococcus tonsilitis vs throat infection

streptococcus tonsilitis and throat infection both are nouns.

Word	Noun	Adjective	Verb	Adverb
streptococcus tonsilitis	Yes	No	No	No
throat infection	Yes	No	No	No

As nouns, streptococcus tonsilitis and throat infection are synonyms defined as:

streptococcus tonsilitis and throat infection: an infection of the oral pharynx and tonsils by streptococcus

Other synonyms of streptococcus tonsilitis include septic sore throat, strep throat, streptococcal sore throat.

streptococcus tonsilitis (noun)	throat infection (noun)
an infection of the oral pharynx and tonsils by streptococcus	an infection of the oral pharynx and tonsils by streptococcus