streptococcal sore throat vs throat infection

streptococcal sore throat and throat infection both are nouns.

Word	Noun	Adjective	Verb	Adverb
streptococcal sore throat	Yes	No	No	No
throat infection	Yes	No	No	No

As nouns, streptococcal sore throat and throat infection are synonyms defined as:

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

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

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